Develop Bugs

Guide: How to upgrade/downgrade/restore official firmware on your V30.

Guide: How to upgrade/downgrade/restore OFFICIAL firmware on your V30.
Requirements:
LG V30
Windows PC
Official Firmware file for your V30 ending with .kdz. You can find it here https://forum.xda-developers.com/lg-v30/development or here https://lg-firmwares.com/
Bootloader does not need to be unlocked. All variants can be flashed using this method.
Only fully official, LG signed and blessed, unmodified firmware can be flashed using this method. No custom roms or recoveries!
Lets go:
Download and install LG USB drivers from here.
Download and install LG UP 1.14.3 from here.
Download .dll file for our V30, attached at the bottom of this post.
Navigate to C:\Program Files (x86)\LG Electronics\LGUP\model
Create folder called "common" and unzip the .dll file inside of it.
Connect the phone to your PC
[Optional]Open Device Manager and verify if under Ports you can see LGE Mobile USB Serial Port (COM...) to make sure the LG driver was installed correctly and the phone is visible.
Launch LGUP.exe
Select process called "UPGRADE" Warning: Selecting Refurbish will wipe user data.
Select the firmware file.
Click Start!
Your phone will automatically reboot into Download mode and upgrade firmware.
There's no need to do a factory reset afterwards but you can if you encounter any issues ofc. (I haven't)

Thanks for the guide.

thank you. I would love to try the MIUI ROM on this device.

padmanek said:
Requirements:
LG V30
Windows PC
Official Firmware file for your V30 ending with .kdz. You can find it here https://forum.xda-developers.com/lg-v30/development or here https://lg-firmwares.com/
Bootloader does not need to be unlocked. All variants can be flashed using this method.
Lets go:
Download and install LG USB drivers from here.
Download and install LG UP 1.14.3 from here.
Download .dll file for our V30, attached at the bottom of this post.
Navigate to C:\Program Files (x86)\LG Electronics\LGUP\model
Create folder called "common" and unzip the .dll file inside of it.
Connect the phone to your PC
[Optional]Open Device Manager and verify if under Ports you can see LGE Mobile USB Serial Port (COM...) to make sure the LG driver was installed correctly and the phone is visible.
Launch LGUP.exe
Select process called "UPGRADE" Warning: Selecting Refurbish will wipe user data.
Select the firmware file.
Click Start!
Your phone will automatically reboot into Download mode and upgrade firmware.
There's no need to do a factory reset afterwards but you can if you encounter any issues ofc. (I haven't)
Click to expand...
Click to collapse
My apologies if I misunderstood. Is this a way to apply alternative ROMs even on models with locked bootloaders and the ADB Commands stripped out such as the H 933? I know you said already that it will work on any variant but I had lost hope that this model would ever allow modding of the rum. I just want to make sure I'm not misunderstanding the intention of your guide.
Sent from my LG-H933 using Tapatalk

Mad Medik said:
My apologies if I misunderstood. Is this a way to apply alternative ROMs even on models with locked bootloaders and the ADB Commands stripped out such as the H 933? I know you said already that it will work on any variant but I had lost hope that this model would ever allow modding of the rum. I just want to make sure I'm not misunderstanding the intention of your guide.
Click to expand...
Click to collapse
It clearly says in the title of the thread and in the requirements that you can only flash full official (stock) firmware using this method...
Nothing custom. Everything needs to be RSA signed by LG.
astikv said:
thank you. I would love to try the MIUI ROM on this device.
Click to expand...
Click to collapse
Like above, only official (stock), LG signed and blessed firmware can be flashed using this method.

padmanek said:
It clearly says in the title of the thread and in the requirements that you can only flash full official (stock) firmware using this method...
Nothing custom. Everything needs to be RSA signed by LG.
Like above, only official (stock), LG signed and blessed firmware can be flashed using this method.
Click to expand...
Click to collapse
Oh well, wishful thinking amd my mistake. I read it as upgrade or downgrade (eg various images) or restore stock.
Sent from my LG-H933 using Tapatalk

padmanek said:
It clearly says in the title of the thread and in the requirements that you can only flash full official (stock) firmware using this method...
Nothing custom. Everything needs to be RSA signed by LG.
Like above, only official (stock), LG signed and blessed firmware can be flashed using this method.
Click to expand...
Click to collapse
I meant in 1 future.

padmanek said:
Requirements:
LG V30
Windows PC
Official Firmware file for your V30 ending with .kdz. You can find it here https://forum.xda-developers.com/lg-v30/development or here https://lg-firmwares.com/
Bootloader does not need to be unlocked. All variants can be flashed using this method.
Only fully official, LG signed and blessed, unmodified firmware can be flashed using this method. No custom roms or recoveries!
Lets go:
Download and install LG USB drivers from here.
Download and install LG UP 1.14.3 from here.
Download .dll file for our V30, attached at the bottom of this post.
Navigate to C:\Program Files (x86)\LG Electronics\LGUP\model
Create folder called "common" and unzip the .dll file inside of it.
Connect the phone to your PC
[Optional]Open Device Manager and verify if under Ports you can see LGE Mobile USB Serial Port (COM...) to make sure the LG driver was installed correctly and the phone is visible.
Launch LGUP.exe
Select process called "UPGRADE" Warning: Selecting Refurbish will wipe user data.
Select the firmware file.
Click Start!
Your phone will automatically reboot into Download mode and upgrade firmware.
There's no need to do a factory reset afterwards but you can if you encounter any issues ofc. (I haven't)
Click to expand...
Click to collapse
Out of interest, will this work on a rooted V30. I seem to struggle to get LGUP to boot my phone into download mode. Is it because I have twrp as recovery?
Sent from my LG-H930 using Tapatalk

thenoble06 said:
Out of interest, will this work on a rooted V30. I seem to struggle to get LGUP to boot my phone into download mode. Is it because I have twrp as recovery?
Sent from my LG-H930 using Tapatalk
Click to expand...
Click to collapse
It will work as long as your /laf partition is in tact. It containts the DL mode. It has nothing to do with /recovery partition where you most likely flashed TWRP.
Read this: https://forum.xda-developers.com/v20/how-to/laf-download-mode-how-root-t3676011

Just so I don't brick my device, I have an H930DS, therefore any firmware marked for this model (https://lg-firmwares.com/lg-h930ds-firmwares/), regardless of region, would work on my phone? My phone is currently on HK region version, can I flash the Indian firmware for the same model?

sasc said:
Just so I don't brick my device, I have an H930DS, therefore any firmware marked for this model (https://lg-firmwares.com/lg-h930ds-firmwares/), regardless of region, would work on my phone? My phone is currently on HK region version, can I flash the Indian firmware for the same model?
Click to expand...
Click to collapse
Probably not but feel free to try it and let us know how that goes.

sasc said:
Just so I don't brick my device, I have an H930DS, therefore any firmware marked for this model (https://lg-firmwares.com/lg-h930ds-firmwares/), regardless of region, would work on my phone? My phone is currently on HK region version, can I flash the Indian firmware for the same model?
Click to expand...
Click to collapse
I have no idea about cross region firmware flashing. I have not found any official documentation about how each of LG UP's functions exactly works, it's all user experience here on XDA. Supposedly, every region has firmware signed with different RSA key which is verified upon trying to flash and it will reject you if it's a mismatch. Also I doubt Indian region has the same bands as HK so you might cripple your mobile signal if you happen to be on a band that is not supported in Indian firmware. Personally I don't recommend trying it but its up to you Please share your experience if you do
I know for sure that all H930 sold in EU, regardless of what carrier can be flashed with the same H930 unbranded EU firmware, which removes all carrier bloat and branding.

@sasc Check the RSA signature of your firmware and compare it to the firmware you want to flash. If they match, then it won't brick your phone. Your phone may not work, but at least your will have access to DL mode. If they don't match, you will definitely brick your phone..
-- Brian

padmanek said:
I have no idea about cross region firmware flashing. I have not found any official documentation about how each of LG UP's functions exactly works, it's all user experience here on XDA. Supposedly, every region has firmware signed with different RSA key which is verified upon trying to flash and it will reject you if it's a mismatch. Also I doubt Indian region has the same bands as HK so you might cripple your mobile signal if you happen to be on a band that is not supported in Indian firmware. Personally I don't recommend trying it but its up to you Please share your experience if you do
I know for sure that all H930 sold in EU, regardless of what carrier can be flashed with the same H930 unbranded EU firmware, which removes all carrier bloat and branding.
Click to expand...
Click to collapse
India and HK are both global GSM regions. The bands are the same, just like Europe.

runningnak3d said:
@sasc Check the RSA signature of your firmware and compare it to the firmware you want to flash. If they match, then it won't brick your phone. Your phone may not work, but at least your will have access to DL mode. If they don't match, you will definitely brick your phone..
-- Brian
Click to expand...
Click to collapse
Could you please tell us what's the best way to check the signatures?

Okay.. I bring good news! You can definitely flash any KDZ as long as the model number is exactly the same. I flashed the HK Reginal kdz on my H930DS from India and I now have working VoLTE and VoWiFi.
In short, get the CORRECT kdz of the desired region for your model number, use LGUP, Upgrade option, and let it do its thing. Simple. This keeps the device official and under warranty.
PS - Please backup all data before doing this. Even though it is just an upgrade, play it safe. Just in case!

spacebar2011 said:
Okay.. I bring good news! You can definitely flash any KDZ as long as the model number is exactly the same. I flashed the HK Reginal kdz on my H930DS from India and I now have working VoLTE and VoWiFi.
In short, get the CORRECT kdz of the desired region for your model number, use LGUP, Upgrade option, and let it do its thing. Simple. This keeps the device official and under warranty.
PS - Please backup all data before doing this. Even though it is just an upgrade, play it safe. Just in case!
Click to expand...
Click to collapse
Thats great news ?. One question - to get VoWifi working, person at the other end should also have VoWifi? Or we can call VoWifi to VoLte. I have never tried VoWifi so just curious to know.

manishvy said:
Thats great news . One question - to get VoWifi working, person at the other end should also have VoWifi? Or we can call VoWifi to VoLte. I have never tried VoWifi so just curious to know.
Click to expand...
Click to collapse
VoWiFi does not need the person at the other end to have any special call options.

spacebar2011 said:
Okay.. I bring good news! You can definitely flash any KDZ as long as the model number is exactly the same. I flashed the HK Reginal kdz on my H930DS from India and I now have working VoLTE and VoWiFi.
In short, get the CORRECT kdz of the desired region for your model number, use LGUP, Upgrade option, and let it do its thing. Simple. This keeps the device official and under warranty.
PS - Please backup all data before doing this. Even though it is just an upgrade, play it safe. Just in case!
Click to expand...
Click to collapse
Thanks amazing news! I will try this asap to get Volte on my HG 930DS (India carrier)

spacebar2011 said:
Okay.. I bring good news! You can definitely flash any KDZ as long as the model number is exactly the same. I flashed the HK Reginal kdz on my H930DS from India and I now have working VoLTE and VoWiFi.
In short, get the CORRECT kdz of the desired region for your model number, use LGUP, Upgrade option, and let it do its thing. Simple. This keeps the device official and under warranty.
PS - Please backup all data before doing this. Even though it is just an upgrade, play it safe. Just in case!
Click to expand...
Click to collapse
So...kind of didn't work.
I used the H930DS marked India in lgfirmwares. The flashing process went fine, except for the phone getting stuck right after the last restart and the screen went blank. Waited a couple of mins and forced a restart using the power button..booted fine but all data was gone. Thankfully i did backup some stuff, but not all..
Checked the Software version, it says V11i-GLOBAL-COM, which is obviously not the India version. And, I still dont have Volte!! So, this was futile..
Can anyone point me to a certified H930DS India KDZ?

[H930DS][STOCK][OREO]LG V30+ INDIA H930DS20f_00_OPEN_ESA_DS_OP_0517.KDZ

For bootloader unlock purposes, use the H930DS KDZ versions with no later than July 2018 security patch: specifically older 20b at bottom of this post.
Newer firmware is at the top. Look at the names for dates in the title. You can always update to newer firmware later, AFTER bootloader is unlocked. Flashing a newer KDZ will not relock your bootloader. See post #3 for instructions on how to downgrade to earlier firmware for unlocking bootloader.
_________
Yes, LG released ANOTHER ESA 20f KDZ -- but with newer May 2019 security update, enabled Airtel VoLTE -- but REMOVED the LG FM Radio app they had given with the previous ESA 20f with April 2019 security update. If you still want LG FM Radio app, then download from here and install.
H930DS20f_00_OPEN_ESA_DS_OP_0517.KDZ
3.2GB
For H930DS, especially India.
DOWNLOAD LINKS:
* Android File Hosts MIRROR
* LG-Firmwares.com MIRROR
md5: e35b6e89e3c5db5914e2da878e7763c0
TWRP FLASHABLE VERSION:
(thanks to @seadersn!)
https://androidfilehost.com/?fid=6006931924117902994
Flash the "ROM" with latest TWRP. Reflash Magisk immediately afterwards before rebooting to system. It's just stock KDZ but in TWRP-flashable version. Not debloated nor meant to be updated in the future. It's just a very convenient mechanism to have newer stock firmware instead of using dev patched LGUP to flash partitions, etc.
_________
PREVIOUS FIRMWARE
H930DS20f_00_OPEN_ESA_DS_OP_0408.KDZ
3.2GB
For H930DS, especially India.
DOWNLOAD LINKS:
* Android File Hosts MIRROR
md5: 1d36d00dd9a7517b6548394da160997e
TWRP FLASHABLE VERSION:
(thanks to @seadersn!)
https://www.androidfilehost.com/?fid=6006931924117883158
Flash the "ROM" with latest TWRP. Reflash Magisk immediately afterwards before rebooting to system. It's just stock KDZ but in TWRP-flashable version. Not debloated nor meant to be updated in the future. It's just a very convenient mechanism to have newer stock firmware instead of using dev patched LGUP to flash partitions, etc.
_________
PREVIOUS FIRMWARE
H930DS20e_00_OPEN_ESA_DS_OP_0213.KDZ
3.2GB
For H930DS, especially India.
DOWNLOAD LINKS:
* Android File Hosts MIRROR
md5:c7f01795a3a76931e49290439fcb6ed2
TWRP FLASHABLE VERSION:
(thanks to @seadersn!)
https://androidfilehost.com/?fid=1395089523397929907
Flash the "ROM" with latest TWRP. Reflash Magisk immediately afterwards before rebooting to system. It's just stock KDZ but in TWRP-flashable version. Not debloated nor meant to be updated in the future. It's just a very convenient mechanism to have newer stock firmware instead of using dev patched LGUP to flash partitions, etc.
_________
PREVIOUS FIRMWARE
H930DS20c_00_OPEN_ESA_DS_OP_0807.KDZ
3.2GB
For H930DS, especially India.
DOWNLOAD LINKS:
* Android File Hosts MIRROR
md5:63e28b0e7d2cf7df7e666280ad7fe010
TWRP FLASHABLE VERSION:
(thanks to @seadersn!)
https://forum.xda-developers.com/lg-v30/development/rom-fw-lg-joan-h930ds-esa-ind-21c-twrp-t3868182
Flash the "ROM" with latest TWRP. Reflash Magisk immediately afterwards before rebooting to system. It's just stock KDZ but in TWRP-flashable version. Not debloated nor meant to be updated in the future. It's just a very convenient mechanism to have newer stock firmware instead of using dev patched LGUP to flash partitions, etc.
India users may not see the correct letter version of these KDZ images. For some reason India users are one letter behind the other ESA region countries, even when flashing the same KDZ.
_________
PREVIOUS FIRMWARE
USE THESE KDZs BELOW TO TEMPORARILY DOWNGRADE TO FIRMWARE WHICH ALLOWS YOU TO UNLOCK YOUR BOOTLOADER.
Due to changes starting with the July 2018 security patch blocking the WTF bootloader unlock exploit, I've added instructions in post #3 of this thread to use dev patched LGUP to downgrade to earlier versions of India H930DS Oreo KDZ. You can always update to newer firmware AFTER bootloader unlock. Flashing a newer KDZ will not relock your bootloader.
_______________
V20B-IND-XX
INDIA H930DS20b_00_OPEN_ESA_DS_OP_0530.kdz
2.970GB
For H930DS, especially India.
DOWNLOAD LINKS:
* Android File Hosts MIRROR
md5: 9017c5d27208ab19cf0ed6dad652047b
* Mega MIRROR
(Thanks to @tech_infinity. Technically this is 20a India H930DS -- but still works for the bootoloader unlock purpose.)
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Here's how to flash KDZ:
Since this is official LG firmware for India H930DS, just use LGUP and choose "upgrade" -- to keep apps and data. To prove it's India firmware, your India H930DS will show IND 20B (or whichever letter you choose) after flashing. If it wasn't for India, it would show another region like EU, CIS, AUS, or PHL. Instead it shows IND. India.
To unlock bootloader and root, see this thread. For India H930DS, just substitute this IND H930DS Oreo KDZ.
But just flashing this India KDZ will give you official India Oreo with AI camera and India carrier VoLTE, even without bootloader unlock and root. If you don't wish to unlock bootloader and root, flash 20f at the top. AFTER bootloader unlock and root on early Oreo, you can still update to 20f by flashing the TWRP-flashable zip version + Magisk 18.x. You can update to latest Magisk after successfully rebooting to latest Oreo.
______________
INSTRUCTIONS FOR FLASHING KDZ VIA DEV PATCHED LGUP
1) Go into download mode (power off completely, then hold volume up button while plugging in USB cable)
2) If you are on early Oreo, are not bootloader unlocked/rooted and merely wish to update to latest Oreo, then open patched LGUP and flash 20F KDZ VIA UPGRADE.
It's fairly easy. Most people breeze right through this. But if you have any problems, go through this list:
Make sure you in download mode BEFORE opening the patched LGUP file.
This is at the top of the list as some people forget to do that. The remainder are in no particular order. If that doesn't work,
Try different USB port,
Try different USB cable,
Try different computer.
Reinstall LG mobile drivers.
Reinstall dev patched LGUP again, making sure the files are placed where they need to go (LG Electronics folder, etc).
Reboot the computer.
If you ask for help, that's the list of items we are going to give you anyway.
IF FOR SOME REASON, YOU CANNOT FLASH FROM EARLIER FIRMWARE VIA UPGRADE, then use "DL PARTITION" METHOD:
1) Go into download mode (power off completely, then hold volume up button while plugging in USB cable)
2) open patched LGUP and flash THIS ROM to DL PARTITION. In the pop up box "Select All". Use the attached patched LGUP in this post.
5) DONE.
UPGRADE method lets you keep you data, apps while DL PARTITION METHOD will wipe everything.
1) DOWNLOAD FIRMWARE AND DEV PATCHED LGUP
* Download Oreo KDZ you wish to install -- for bootloader unlock would be H930DS 20b. You can update to more current firmware AFTER unlocking bootloader on early Oreo.
(If you just don't like Pie, then choose the most recent Oreo KDZ, which is IND H930DS 20f at the top.)
* DOWNLOAD THIS DUAL VERSION OF DEV PATCHED LGUP, made by @tecknight:
https://androidfilehost.com/?fid=11410963190603845019
(Or use attached file from bottom of this post. Thanks to @tecknight! Please go here and click the THANK BUTTON!)
_________________
2) INSTALL DEV PATCHED LGUP
0. Uninstall any prior LGUP you have. Uninstall anything like Uppercut, which no longer works and causes conflicts with this Dev Patched LGUP.
1. Extract LGUP_DualMode.zip to a folder on your PC.
2. Browse into the folder and launch LGUP_Store_Frame_Ver_1_14_3.msi.
Follow the prompts to complete the install.
3. In that folder, right click and select "Run as Administrator" on "SetDev.bat" to set LGUP to developer mode
4. Launch LGUP using the desktop shortcut, NOT the Install folder shortcut.
Choose Process : UPGRADE (if you are on earlier firmware), PARTITION DL (all partitions) or REFURBISH
_______________
Not necessary, but putting this next item here just so you know... IF for some reason your phone is acting wonky, usually a Master Reset will fix it. No need to reflash anything, but this procedure below does wipe all data. It will give you "factory fresh" setup on the new KDZ. We use this on purpose over in the Frankenstein thread for US998, but is not usually necessary for this simple Oreo H930DS upgrade to another region H930DS.
MASTER RESET
With your device powered off, press and hold the Power button and Volume Down buttons simultaneously for a few seconds.
When the LG logo appears, quickly release and then re-hold the Power button while keep holding the Volume Down button.
Let go of the buttons when the onscreen menu appears.
When you see the option to Delete all user data (including LG and carrier apps) and reset all settings message prompt, press the Volume Down button to highlight Yes.
Then press the Power button to reset the device.
Wait until the reset is complete then reboot your device. If it’s able to boot up successfully, proceed with the initial setup.
Click to expand...
Click to collapse
_________________________
SETTINGS
I know everyone has their own settings, but for new owners who want a reference point for all the various submenus and customization, I'll share screenshots of my settings. You can always change to what you like.
https://photos.app.goo.gl/NCm643Y7prJhDLaS2

Beside the step by step instructions above here's a video:
ayaskant12 said:
Just to help I made a video on how to upgrade
https://www.youtube.com/watch?v=mKqBK7QrpE0&feature=youtu.be
Click to expand...
Click to collapse

HOW TO (temporarily) DOWNGRADE BACK TO EARLY OREO FOR BOOTLOADER UNLOCK
(or DOWNGRADE TO LAST OREO BECAUSE YOU DON'T LIKE PIE)
1) DOWNLOAD FIRMWARE AND DEV PATCHED LGUP
* Download Oreo KDZ you wish to install -- for bootloader unlock would be H930DS 20b. You can update to more current firmware AFTER unlocking bootloader on early Oreo.
(If you just don't like Pie, then choose the most recent Oreo KDZ, which is 20f at the top.)
* DOWNLOAD THIS DUAL VERSION OF DEV PATCHED LGUP, made by @tecknight:
https://androidfilehost.com/?fid=11410963190603845019
(Or use attached file from bottom of this post. Thanks to @tecknight! Please go here and click the THANK BUTTON!)
_________________
2) INSTALL DEV PATCHED LGUP
0. Uninstall any prior LGUP you have. Uninstall anything like Uppercut, which no longer works and causes conflicts with this Dev Patched LGUP.
1. Extract LGUP_DualMode.zip to a folder on your PC.
2. Browse into the folder and launch LGUP_Store_Frame_Ver_1_14_3.msi.
Follow the prompts to complete the install.
3. In that folder, right click and select "Run as Administrator" on "SetDev.bat" to set LGUP to developer mode
4. Launch LGUP using the desktop shortcut, NOT the Install folder shortcut.
Choose Process : PARTITION DL (all partitions) or REFURBISH
----------------------------
3) DOWNGRADING/UPGRADING ANY LG V30/V30+/V30S TO EARLY OREO KDZ FIRMWARE
1) Go into download mode (power off completely, then hold volume up button while plugging in USB cable)
2) open patched LGUP and flash OREO KDZ to DL PARTITION mode. In the pop up box "Select All". Use the attached patched LGUP in this post.
You can also use REFURBISH mode, if you wish.
3) Master Reset (post 101 of Frankenstein thread)
5) DONE.
It's fairly easy. Most people breeze right through this. But if you have any problems, go through this list:
Make sure you in download mode BEFORE opening the patched LGUP file.
This is at the top of the list as some people forget to do that. The remainder are in no particular order. If that doesn't work,
Try different USB port,
Try different USB cable,
Try different computer.
Reinstall LG mobile drivers on your PC.
Reinstall dev patched LGUP again, making sure the files are placed where they need to go (LG Electronics folder, etc).
REBOOT THE COMPUTER.
If you ask for help, that's the list of items we are going to give you anyway.
WARNING: In LGUP do NOT go messing with modes not mentioned in these instructions. Especially do NOT use Chip Erase.
https://9to5lg.com/lgup-1-15-manual-how-to-unbrick-restore-your-lg-devices-with-lgup/
3) ChipErase: Dangerous, This will erase IMEI/efs, Do not try this if you do not have a NV backup.
Click to expand...
Click to collapse
_________________
4) IF YOU NEED TO UNLOCK BOOTLOADER (with early Oreo), GO READ WTF INSTRUCTIONS
_________________________
SETTINGS
I know everyone has their own settings, but for new owners who want a reference point for all the various submenus and customization, I'll share screenshots of my settings. You can always change to what you like.
https://photos.app.goo.gl/NCm643Y7prJhDLaS2
________________

LG has now released firmware with post-July 2018 security patch for India H930DS (August 2018, but more will come) to prevent you from unlocking your bootloader. If you have installed any such firmware or your phone has come with that firmware, you will NEED to temporarily downgrade to the 20b KDZ in post #1 (which has safe June 2018 security patch) to unlock bootloader.
After you unlock the bootloader, then you can update to back to latest firmware. At that point LG can't block you from unlocking YOUR bootloader because it's already unlocked! You don't have to install TWRP or root immediately, but since you have an unlocked bootloader, why not? Point is, to get your bootloader unlocked so you CAN at some point install TWRP and root if you wish.
Instructions for downgrading using dev patched LGUP are in post #1 of this thread, as well as dev patched LGUP attached to that post.

Hi, I have rooted my H930DS (V20b-GLOBAL-COM), if i wanted to flash one of the latest version, for example, V21d-OPEN-HK). Can i just flash using Patched LGUP via UPGRADE? Do i need to flash TWRP again?

kongming said:
Hi, I have rooted my H930DS (V20b-GLOBAL-COM), if i wanted to flash one of the latest version, for example, V21d-OPEN-HK). Can i just flash using Patched LGUP via UPGRADE? Do i need to flash TWRP again?
Click to expand...
Click to collapse
This is more a general question than India KDZ for ESA region, but I'll post the answer over in the CIS H930DS KDZ thread too...
__________
1) If you flash your KDZ via UPGRADE option with dev patched LGUP, you will temporarily keep your data but will have to reinstall TWRP again -- and flash the no encryption, no root check files + Magisk. You are basically returning it to stock, with LG encryption enabled again. So, you will have to wipe again anyway to get TWRP back.
2) If you flash with DL Partition method, BUT UNcheck the recovery partitions, you will keep TWRP. Flash all partitions except for recovery. Then, just boot to TWRP via fastboot commands (like when you first unlocked bootloader). Reflash no encryption, no root check files + Magisk. You are one step ahead because you still have TWRP.
After that you can use a TWRP backup to restore data or you can use Titanium Backup to restore all apps + data.
This is going to be a decision you will need to make every time LG releases a new "update" for your region, especially if it's only a "security" patch update and no other fixes, and if there's no corresponding TWRP flashable zip ("stock" image ROM), like from @westwood24 or other devs.
Once you get a rhythm going, you can install update and restore apps + data in minimal time. But every time a new update comes out (every two or three months, for the next three years) you'll have to decide whether it's worth the effort to do this or if you want to wait until the NEXT update.

Hi @ChazzMatt I recently bought a second hand LG V30 + model number H930DS running stock android 8.0 the software version is V20c-AME-XX, I want to unlock bootloader , root and install custom ROMs , where should I start because I'm new to LG, I know I have to downgrade to V20b to be able to unlock the bootloader, but before I unlock the bootloader should I backup anything in case I want to re-lock the bootloader, because previously I owned an Xperia Z5 where before unlocking the bootloader the developer advised us to backup TA partition before unlocking , is there such a thing here on LG?

Bronnel said:
Hi @ChazzMatt I recently bought a second hand LG V30 + model number H930DS running stock android 8.0 the software version is V20c-AME-XX, I want to unlock bootloader , root and install custom ROMs , where should I start because I'm new to LG, I know I have to downgrade to V20b to be able to unlock the bootloader, but before I unlock the bootloader should I backup anything in case I want to re-lock the bootloader, because previously I owned an Xperia Z5 where before unlocking the bootloader the developer advised us to backup TA partition before unlocking , is there such a thing here on LG?
Click to expand...
Click to collapse
I know what you're referring to -- when you bootloader unlock Sony phones certain propietary features stop working. That does not happen with LG. Unlocked bootloader on stock firmware, you do not lose any functionality.
I even mention that at the top in my WTF instructions. Print those out, read them carefully.
Then, if you ever wish to relock bootloader, just make sure you're on full stock (no TWRP) and fastboot OEM lock.
You have India H930DS or another?

ChazzMatt said:
I know what you're referring to -- when you bootloader unlock Sony phones certain propietary features stop working. That does not happen with LG. Unlocked bootloader on stock firmware, you do not lose any functionality.
I even mention that at the top in my WTF instructions. Print those out, read them carefully.
Then, if you ever wish to relock bootloader, just make sure you're on full stock (no TWRP) and fastboot OEM lock.
You have India H930DS or another?
Click to expand...
Click to collapse
Thank you I appreciate your answer my bro, I have H930DS on the box it says ARE region which stands for Mid. East/Africa (AE/United Arab Emirates)
have downloaded this for ARE region is this correct?
H930DS20b_00_OPEN_AME_DS_OP_0530.kdz
LG H930DS

Bronnel said:
Thank you I appreciate your answer my bro, I have H930DS on the box it says ARE region which stands for Mid. East/Africa (AE/United Arab Emirates)
have downloaded this for ARE region is this correct?
H930DS20b_00_OPEN_AME_DS_OP_0530.kdz
LG H930DS
Click to expand...
Click to collapse
Yes, that sounds right. I was just curious because you were posting in the India KDZ thread. I have a CIS KDZ thread for non-India H930DS variants, but your region specific (for your phone) is even better.

ChazzMatt said:
Yes, that sounds right. I was just curious because you were posting in the India KDZ thread. I have a CIS KDZ thread for non-India H930DS variants, but your region specific (for your phone) is even better.
Click to expand...
Click to collapse
Thank you sir, now I'm ready to do this I'm following every single word on your post, thank you very much for all the things you've done that's just amazing tutorial

mesaralam said:
Hello, done flash with india kdz. By my security patch is 1june 2018... Note can i expect latest security patch from software updates straight away from phone? Par advise. My phone is India LG v30+ h930ds
Click to expand...
Click to collapse
Do you have an India H939DS and you flashed June firmware so you can bootloader unlock and root? If so, have you done that?
Do you have ANOTHER region's H930DS and you specifically wanted India H930DS firmware for stuff like Jio VoLTE?
I can answer better if I know why you flashed the June firmware...
This link is the latest India firmware currently released and has August security patch. Also, another update should be coming before end of November.
You can flash either one (August or the upcoming one) with LGUP and after that, you should receive India OTA updates IF
* your IMEI matches India H930DS variant
* you are full stock, without TWRP custom recovery.
However, if you are flashing India firmware on an H930DS from another region (like Hong Kong), then you will probably have to keep manually flashing India updates. My experience has been that OTA updates seem to be tied to IMEI, but I there may be exceptions.
If you have TWRP recovery and are rooted -- even with an India H930DS -- you won't be able to install OTA (partial image updates), since you are not 100% stock. You will have flash full image KDZ or flash a TWRP-flashable version which some devs are making. We already have US998, H930, VS996 TWRP-flashable updates. Surely someone soon will start making them for India H930DS?
I almost never take partial image OTA, even back when I was not rooted. I flash full image KDZ. Now that I have TWRP and am rooted, I have to update via KDZ or TWRP flashable version of the KDZ.

ChazzMatt said:
...
We already have US998, H930, VS996 TWRP-flashable updates. Surely someone soon will start making them for India H930DS?
...
Click to expand...
Click to collapse
this will be available this evening (it's 5pm now here in germany) @JohnFawkes will take over the USA variants, actual and future twrp flashable zip versions, i'll do europe and india then. if there's a need for another region, pls contact either me or JohnFawkes via pm :good:

hmm, written too early: the india version uses different offsets or in general is constructed another way, all my tools can extract the kdz, but not the dz... looks like not possible atm for this particular file, but i'll investigate more later :good:
example:
Code:
[email protected]:~/Schreibtisch/kdztools-master$ ./undz -f kdzextracted/H93021c_00.dz -x
[!] Error: Value supposed to be zero in field "reserved5" is non-zero (0x5900)
i would need a tester

H930DS20c_00_OPEN_ESA_DS_OP_0807.KDZ now posted, as well as link to @seadersn TWRP-flashable "ROM" (KDZ in TWRP flashable file form). This continues the TWRP-flashable KDZ tradition which has been available for US998 and Europe H930, to update easily to newer stock firmware using TWRP. He's gallantly expanding to other variants.
Please go to his thread to thank him and even donate. He's putting a lot of effort into making TWRP flashable KDZ for our phones.
See top of post #1.

This ISN'T the India update (so you'll still your phone software showing up as GLOBAL-COM). The correct India firmware is H930DS20b_00_OPEN_ESA_DS_OP_0808.kdz
You can find it here: https://lg-firmwares.com/downloads-file/16226/H930DS20b_00_OPEN_ESA_DS_OP_0808.kdz
Not sure if this helps. Jio wasn't working on the other firmware. (No VOLTE). Just in India for a visit and was trying to use a Jio SIM.
Also, does anyone know why the network type doesn't show up when the phone is roaming? (No H/H+/LTE etc)

Yes, it is "correct" India update. All ESA are ESA. I'll argue you all day long on that.
We proved it MONTHS ago with the first ESA Oreo 20A. So please STOP trying to mislead people.
You can either flash this KDZ via LGUP or flash the TWRP FLASHABLE ZIP file via TWRP.
Either will work. But for people that are rooted, flashing via TWRP is an easy way to update.
Thank @seadersn for that, and he's going to continue to do it for us.
The security patch date is the only thing that is updated in this build.
djpeesh said:
This ISN'T the India update (so you'll still your phone software showing up as GLOBAL-COM). The correct India firmware is H930DS20b_00_OPEN_ESA_DS_OP_0808.kdz
You can find it here: https://lg-firmwares.com/downloads-file/16226/H930DS20b_00_OPEN_ESA_DS_OP_0808.kdz
Not sure if this helps. Jio wasn't working on the other firmware. (No VOLTE). Just in India for a visit and was trying to use a Jio SIM.
Also, does anyone know why the network type doesn't show up when the phone is roaming? (No H/H+/LTE etc)
Click to expand...
Click to collapse

Mate,
I'm not looking to argue so you're on your own if you want to argue all day.
It was a simple point that if you want OTAs and VoLTE to work, install this version. I gain nothing from flogging the correct version. You're free to download whatever you like. The KDZ you've uploaded is unfortunately the Indonesian version. The KDZ I've linked to is the Indian version. Yes, both are ESA and likely the same theres a difference and that needs to be pointed out.
Anyway, I've got it working so I'm out. Also, the Indian version of the software tells me my network type (H/H+/LTE) even while roaming.
ChazzMatt said:
Yes, it is "correct" India update. All ESA are ESA. I'll argue you all day long on that.
We proved it MONTHS ago with the first ESA Oreo 20A. So please STOP trying to mislead people.
You can either flash this KDZ via LGUP or flash the TWRP FLASHABLE ZIP file via TWRP.
Either will work. But for people that are rooted, flashing via TWRP is an easy way to update.
Thank @seadersn for that, and he's going to continue to do it for us.
The security patch date is the only thing that is updated in this build.
Click to expand...
Click to collapse
Sent from my SM-G965F using Tapatalk

it may be that parts of the OP partition are changed for india, but the rom itself indeed should be working for phil, india and indonesia. i will check the differences in a week or two, atm our house is being rebuilt, no time for android stuff atm -.+

djpeesh said:
Mate,
I'm not looking to argue so you're on your own if you want to argue all day.
It was a simple point that if you want OTAs and VoLTE to work, install this version. I gain nothing from flogging the correct version. You're free to download whatever you like. The KDZ you've uploaded is unfortunately the Indonesian version. The KDZ I've linked to is the Indian version. Yes, both are ESA and likely the same theres a difference and that needs to be pointed out.
Anyway, I've got it working so I'm out. Also, the Indian version of the software tells me my network type (H/H+/LTE) even while roaming.
Click to expand...
Click to collapse
We proved Jio VoLTE works and that India LG help app is installed with ESA KDZ. It says India! And has India Jio Volte. You can't argue with that.
That's why all ESA KDZ is titled as just ESA.
Due to bureaucratic bumbling LG India released Oreo like two months after Phillipines and Indonesia, but they're are all part of ESA and all share the same KDZ. People found they could download the Philippines/Indonesia Oreo and have "India" with Jio VoLTE and LG India app even before LG India have them Oreo. It's INDIA KDZ when installed on India SIM card. Or Philippines when installed on Philippines, or Indonesia when installed on Indonesia.
There's no difference. LG has several KDZ regions like that, where two or three countries share one KDZ and parts are installed depending on what country carrier you have. Adaptble installation.
When India LG finally released Oreo, we proved it was the same KDZ as the ESA ALREADY RELEASED -- but one letter behind since they didn't want to admit their incompetence.
So, for this most recent I took the LATEST letter ESA KDZ because we proved it's really all the same -- same build number, everything.

Running any H930 AOSP ROM on an US998 converted H931

Hi there, I've been struggling with this for the past couple of days and have finally figured out how to reliably get AOSP H930 roms to run on H931's.
The steps are pretty straight forward actually and are taken partially from this post here for the H933: https://forum.xda-developers.com/showpost.php?p=78183349&postcount=2
Needed Files:
H933 KDZ: https://forum.xda-developers.com/lg-v30/development/h933-lg-v30-canada-h933-t3795908
H931 keep twrp: https://forum.xda-developers.com/lg-v30/development/lg-v30-att-h931-20f-rom-t3872926
Steps:
1. Starting with a US998 converted H931 with TWRP, download the H933(20G) KDZ and boot into LGUP. In LGUP choose partition dl and select everything except recovery.
2. After the phone is done flashing it should boot immediately to TWRP.
3. Immediate reboot to recovery then format data, and in advanced wipe choose dalvik, system, data, and cache and wipe that as well.
4. Now flash the H931 zip in TWRP, and dirty flash your AOSP rom of choice and whatever else you need/want (gapps, magisk, etc).
If TWRP decides it doesn't want to flash anything, then choosing wipe->format data, and restarting TWRP until it does.
That should be it! Thanks goes to @Who-Lep who originally figured it out.
If you have any questions please feel free to ask. Also let me know if anything doesn't make sense and I'll try my best to fix it.

Nice write up! And thanks for creating the thread.
I can't take all the credit tho, @losingway chimed with his success using the h933 kdz. I just filled in the blanks and did some troubling shooting and testing.

Who-Lep said:
Nice write up! And thanks for creating the thread.
I can't take all the credit tho, @losingway chimed with his success using the h933 kdz. I just filled in the blanks and did some troubling shooting and testing.
Click to expand...
Click to collapse
Forgot to mention, doing it this way fixed all the issues I was having before. Phone, videos not playing, etc. They're all fixed and I am happily typing this from liquidremix

Jkaspar said:
Forgot to mention, doing it this way fixed all the issues I was having before. Phone, videos not playing, etc. They're all fixed and I am happily typing this from liquidremix
Click to expand...
Click to collapse
Nice, that is awesome news!

You'd better not use zip of us998 20f,just use 20e.
20f will cause some problems soch as sounds

Good job. Thanks for helping others.

losingway said:
You'd better not use zip of us998 20f,just use 20e.
20f will cause some problems soch as sounds
Click to expand...
Click to collapse
Are you sure that applies to the H931 as well? I thought that was just US99820F, and it seems nobody is reporting issues in this thread so far.

ericb982 said:
Are you sure that applies to the H931 as well? I thought that was just US99820F, and it seems nobody is reporting issues in this thread so far.
Click to expand...
Click to collapse
I've flashed a multitude of different ROMs following this process throughout the last day, and haven't had any issues with sound. Just flashing the US998 and not the H931 does cause issues though.

EDIT, this post is confusing, don't worry about anything I've said below.
So I don't know which H931 issues specifically these steps are intended to resolve, but I was having video and sound not playing issues in Pixel Experience 2018-12-27 and US998 20F.
I was on US998 20E with Pixel Experience and not having those issues I just mentioned. I used the TWRP flashable US998 20F zip to upgrade firmware (and reflashed Pixel Experience and magisk before rebooting). The audio and video issues were immediately present. Downgraded back to 20E with the TWRP flashable zip (and reflashed Pixel Experience and magisk before rebooting) and things were working seemingly normally on reboot minus the various known issues that seem to be affecting everyone. Hope this helps someone. The audio and video not playing issues are gone at least.

Malnilion said:
I was on US998 20E with Pixel Experience and having those issues I just mentioned.
I used the TWRP flashable US998 20F zip to downgrade firmware (and reflashed Pixel Experience and magisk before rebooting).
Upgraded back to 20E with the newer TWRP flashable zip
Click to expand...
Click to collapse
Going from US998 20E to US998 20F would be upgrading, not downgrading.
Then going back to US998 20E from US998 20F would be downgrading, not upgrading.
US998 20F (November 2018 security patch, but released in January 2019) is newer firmware with more features, like DTS 3D stereo libs which older US998 20E (September 2018 security patch) does not have.

ChazzMatt said:
Going from 20E to 20F would be upgrading, not downgrading.
Then going back to 20E from 20F would be downgrading, not upgrading.
20F (November 2018 security patch, can but released in January 2019) is newer with more features, like DTS 3D stereo libs which older 20E (September 2018 security patch) does not have.
Click to expand...
Click to collapse
Lol, whoops, sleepy brain alphabet fail. Gonna go back and reverse those to help avoid confusion!
---------- Post added at 08:31 PM ---------- Previous post was at 08:13 PM ----------
It actually looks like US998 20F is a problem for me with Pixel Experience. I think I was actually correct before about the order I flashed the ROM firmwares and wasn't thinking about 20E being the downgrade. To clarify, do the procedures in the OP get sound and video working with AOSP ROMs ultimately with the US998 20F firmware? It appears things work just fine with the H931 20F firmware, so maybe I'll just stick with that for now.

Malnilion said:
PM ----------
It actually looks like US998 20F is a problem for me with Pixel Experience. I think I was actually correct before about the order I flashed the ROM firmwares and wasn't thinking about 20E being the downgrade.
Click to expand...
Click to collapse
It's possible you need the "older" US998 firmware instead of "newer" firmware as a base to flash AOSP custom ROM.
But the recent US998 20F firmware is much better with lots of fixes and even added features than the older US998 20E, if you're just running rooted stock firmware.
US998 20F V30 ThinQ performance update progress
- DTS: X 3D stereo effect function has been added.
- Improved accessibility.
- Improved keyboard performance
- Improved the delay of keyboard input when installing multiple market apps at once.
- Photo display error in some apps since Google's latest security patch has been improved.
- Improved to keep app aspect ratio settings after app updates.
- Improved the phenomenon that fine lines are displayed on some screens when power saving mode is executed.
- Google Security Update has enhanced your phone's security.
Click to expand...
Click to collapse

ChazzMatt said:
It's possible you need the "older" US998 firmware instead of "newer" firmware as a base to flash AOSP custom ROM.
But the recent US998 20F firmware is much better with lots of fixes and even added features than the older US998 20E, if you're just running rooted stock firmware.
Click to expand...
Click to collapse
Yeah, I'm guessing kernel sources will have to be updated in AOSP ROMs for the newer US998 20F firmware.

@Malnilion
I tried it today with just flashing the US998 firmware, and not flashing the H931 and the sound and video were both not working for me. As far as I've found dirty flashing AOSP over the H931 zip is the only way to have it working.

Jkaspar said:
@Malnilion
I tried it today with just flashing the US998 firmware, and not flashing the H931 and the sound and video were both not working for me. As far as I've found dirty flashing AOSP over the H931 zip is the only way to have it working.
Click to expand...
Click to collapse
Sound and video work on top of US998 20E firmware as well. I think we'll just have to wait and see when ROMs incorporate the kernel changes to work with US998 20F. Maybe we can get DTS X support when that happens as well!

@Jkaspar could you clarify step 5 in your write up? It says "repeat step two," which is just "After the phone is done flashing it should boot immediately to TWRP." Does this mean we should let the device reboot to TWRP or does it mean we should proceed to step 3, which is wiping partitions with TWRP?

Do you know if this can be used to install H930 AOSP roms on US998 converted H933 devices? Thank you in advance.

hossein7292 said:
Do you know if this can be used to install H930 AOSP roms on US998 converted H933 devices? Thank you in advance.
Click to expand...
Click to collapse
Some people try to use a similar method,it works on 933,but his phone can't call.

ericb982 said:
@Jkaspar could you clarify step 5 in your write up? It says "repeat step two," which is just "After the phone is done flashing it should boot immediately to TWRP." Does this mean we should let the device reboot to TWRP or does it mean we should proceed to step 3, which is wiping partitions with TWRP?
Click to expand...
Click to collapse
Sorry, I'll edit the post to clarify. It should say let the phone restart and try to boot the US998 zip you just flashed. It will bootloop and you'll need to then return to TWRP. With out doing that I was getting some weird errors with the phone not being able to Mount the cache.

Wait... so all we needed all along was the H933 partition scheme? (I'm assuming that's the main reason why we needed to flash the H933 KDZ to begin with.) If that's so, then why do we need to flash the US998 20e/20f when we could just go to the H931 20f zip and then dirty flash an AOSP ROM? (I'm asking for clarification)

LG V35 ThinQ Pie update now available

Google Fi / Carrier unlocked / Amazon / AIO Wireless
https://www.mylgphones.com/google-f...-v35-thinq-received-android-9-pie-update.html
By checking the latest firmware with IMEI on 9to5lg.com/imei, we noticed that the firmware for Google Fi/ Carrier unlocked /AIO wireless are identical
IMEI: 3566590907xxxxx
Model: LMV350ULM
Suffix: AAIOOP
Region/Buyer: AIO
Version: V350ULM20D_00
OS: P
KDZ: V350ULM20d_00_NAO_US_OP_0612.kdz
Size: 3538896930
Download: V350ULM20d_00_NAO_US_OP_0612.kdz
http://pkg02.lime.gdms.lge.com/dn/d...4ASF8C0C18P9/V350ULM20d_00_NAO_US_OP_0612.kdz
ARB (Anti-rollback) Version: Unknown yet.

TY for the link, sadly the download is agonizingly slow for me, it maxes out at 250Kb/s

X-Nemesis said:
TY for the link, sadly the download is agonizingly slow for me, it maxes out at 250Kb/s
Click to expand...
Click to collapse
There's a google drive link from a v35 telegram group. https://drive.google.com/file/d/1RSe7pwzQbsyk5iGFBeSUfJxw8By7WIpw/view?usp=drivesdk
its for google fi, AIO USA unlocked i believe
V350ULM20d_00_NAO_US_OP_0612.kdz
Size: 3538896930 bytes
MD5: 9E4261516B644AAE1839E12C4E7B050E
SHA1: 5D4729F8A51067898A01E83A571C3C48573640A2
CRC32: D48A0CE8

can we install this on an AT&T device with Google Fi ULM firmware installed?

gotomoto said:
can we install this on an AT&T device with Google Fi ULM firmware installed?
Click to expand...
Click to collapse
YEP!!
Use LGUP patched.

So I tried updating an Amazon V35 flashed to Unlocked USA Oreo and it refuses to update. I realize I can just flash the KDZ but are software converted phones permanently barred from updates? The Amazon firmware has too much bloat and requires 5-10 apps to be uninstalled via ADB to get a clean experience. Even then the apps reinstall after every update. I suppose it's go through the hassle of loading every new KDZ in LG UP, or flashing back to Amazon firmware and reapplying ADB commands after every update.

Guyinlaca said:
So I tried updating an Amazon V35 flashed to Unlocked USA Oreo and it refuses to update. I realize I can just flash the KDZ but are software converted phones permanently barred from updates? The Amazon firmware has too much bloat and requires 5-10 apps to be uninstalled via ADB to get a clean experience. Even then the apps reinstall after every update. I suppose it's go through the hassle of loading every new KDZ in LG UP, or flashing back to Amazon firmware and reapplying ADB commands after every update.
Click to expand...
Click to collapse
you aren't able to flash pie Google fi?

I can manually flash with the modded LG UP, yes. I'm just saying the OTA updater and LG Bridge no longer work after crossflashing. Even though the Amazon phone is identical to the USA unlocked model, LG Bridge catches that it's an Amazon model and aborts the update.

Got my Android Pie update today. This is on the unlocked version running on T-Mobile. I like this particular version of the V35 purchased from bhphotovideo.com as it runs on all 4 major US networks, including Verizon. Better late than never!

Semitope said:
There's a google drive link from a v35 telegram group. https://drive.google.com/file/d/1RSe7pwzQbsyk5iGFBeSUfJxw8By7WIpw/view?usp=drivesdk
its for google fi, AIO USA unlocked i believe
V350ULM20d_00_NAO_US_OP_0612.kdz
Size: 3538896930 bytes
MD5: 9E4261516B644AAE1839E12C4E7B050E
SHA1: 5D4729F8A51067898A01E83A571C3C48573640A2
CRC32: D48A0CE8
Click to expand...
Click to collapse
Any additional high speed links? Google has blocked any additional downloads because of the traffic the file has received.

GHolbrook4 said:
Any additional high speed links? Google has blocked any additional downloads because of the traffic the file has received.
Click to expand...
Click to collapse
you can get around that by adding it to your google drive then copying it somewhere in the drive. The copy should be yours and free to download.

I had cross flashed from AT&T to Fi. Oreo to Pie I used upgrade in LGUP. Went smooth, no need to debloat as it left all my data intact. Altogether simple and sweet. Good luck to all of you as well

anyone know which DLL file to use when flashing via lgup ?

GHolbrook4 said:
Any additional high speed links? Google has blocked any additional downloads because of the traffic the file has received.
Click to expand...
Click to collapse
Maybe this can help? I created and attached torrent-file with firmware. Absolutely original V350ULM20d_00_NAO_US_OP_0612.kdz just add name (torrent) to file name Enjoy!

Guyinlaca said:
I can manually flash with the modded LG UP, yes. I'm just saying the OTA updater and LG Bridge no longer work after crossflashing. Even though the Amazon phone is identical to the USA unlocked model, LG Bridge catches that it's an Amazon model and aborts the update.
Click to expand...
Click to collapse
oh, missed that detail. I don't fully understand what you're trying to do. From what I have read, once you crossflash and aren't on the firmware for the phone, regular update avenues are done for.
The pie firmware for amazon is not the same as Google FI/AIO/USA unlocked iirc
My understanding is that the ADB commands don't always remove the apps, just disable them. Package Disabler Pro for LG might be a good option.

Guyinlaca said:
I can manually flash with the modded LG UP, yes. I'm just saying the OTA updater and LG Bridge no longer work after crossflashing. Even though the Amazon phone is identical to the USA unlocked model, LG Bridge catches that it's an Amazon model and aborts the update.
Click to expand...
Click to collapse
I'm in the same predicament. I flashed my Amazon V35 with stock LG firmware, and now I can't update to pie OTA. I guess my question now is will using LG UP to flash the amazon pie KDZ restore OTA ability? I won't know until the next security update. That, or flash amazon oreo KDZ and see if OTA finds the pie update.

Guyinlaca said:
are software converted phones permanently barred from updates?
Click to expand...
Click to collapse
From OTA updates, yes.
Not from manual LGUP updates. You can do those as you wish.
I personally prefer to do manual updates using full image KDZ.

ChazzMatt said:
From OTA updates, yes.
Click to expand...
Click to collapse
Does that still hold true after flashing back to original firmware?

FHC08 said:
Does that still hold true after flashing back to original firmware?
Click to expand...
Click to collapse
No, at least with the V30 when you can flash back to original variant firmware. So, probably same with V35.

LGUP Cross Flashing Errors
For those of you that have cross flashed, say to another carrier rom like the Korean Pie rom or from ATT to Google Fi and are having problems going back just use the modded LGUP and select the "Partition DL" option when flashing. I don't believe this option does any sort of checking on model or carrier. Just be sure to have the "RIGHT" rom the select all partitions when asked. If you wish to save your data deselect the "userdata" partition.
In my case I was flashing back from the Korean Pie rom to the Google Fi Pie (universal) rom and getting a cross flashing error when using the "upgrade" option in LGUP. I just switch to the method above and flashed with no problems. BTW, when coming from the Korean Pie rom back to another rom my advice is to wipe the phone. This way any Korean apps that were loaded along with the Korean rom will be wipe too!
NO MATTER WHAT YOU SHOULD BACKUP YOUR DATA.

Stock Pie to AOSP/Lineage Pie Fix

Stock Pie to AOSP/Lineage Oreo/Pie Fix
Does not work on the H932 as tested by Mattgyver here
Use at your own risk on a h930
After testing for a month I am confident that I have found a way to "reset" the phone after flashing Stock Pie, fixing the many problems outlined here:
* ALSO do NOT update to LG stock Pie yet if you wish to run LOS-16 "Pie" custom ROMs -- at least for now. See REASON HERE. Stock Pie update conflicts with LOS-16 Pie, even if you downgrade back to stock Oreo. After stock Pie update, your phone has been permanently changed/degraded when going back to Oreo for custom ROMs. Using Permissive kernel can overcome some of those issues, but you have been warned.
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By following the steps below users will be able to flash AOSP/Lineage roms after having already installed stock Pie, doing so without any of the issues caused by the "permanent" changes left by stock Pie. AOSP/Lineage roms will work as if stock pie was never even installed.
INSTRUCTIONS
1. Follow the instructions here to flash the nougat rom I made over your current rom
2. Reinstall TWRP if it was wiped out on reboot (if TWRP remains for you, please let me know in the thread so I can remove this step. It stayed for me at least.)
3. Follow the instructions here to flash Stock Oreo over Nougat
4. After that you should be free to flash your favorite Pie AOSP/Lineage rom without issue! Youtube/camera/flashlight/lag should all be fixed!
I tested this on a US998, but I believe it should work for the H930 as well. If anyone tries the fix with an H930 please let me know in the thread.

^I'm_With_Stupid said:
Stock Pie to AOSP/Lineage Oreo/Pie Fix
After testing for a month I am confident that I have found a way to "reset" the phone after flashing Stock Pie, fixing the many problems outlined here:
By following the steps below users will be able to flash AOSP/Lineage roms after having already installed stock Pie, doing so without any of the issues caused by the "permanent" changes left by stock Pie. AOSP/Lineage roms will work as if stock pie was never even installed.
INSTRUCTIONS
1. Follow the instructions here to flash the nougat rom I made over your current rom
2. Reinstall TWRP if it was wiped out on reboot (if TWRP remains for you, please let me know in the thread so I can remove this step. It stayed for me at least.)
3. Follow the instructions here to flash Stock Oreo over Nougat
4. After that you should be free to flash your favorite Pie AOSP/Lineage rom without issue! Youtube/camera/flashlight/lag should all be fixed!
I tested this on a US998, but I believe it should work for the H930 as well. If anyone tries the fix with an H930 please let me know in the thread.
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So now camera and flashlight work for you on enforcing on pie aosp roms?

tech_infinity said:
So now camera and flashlight work for you on enforcing on pie aosp roms?
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Yes. I've been using a pie Lineage rom (Liquid Remix) as my daily driver for the past month and no problems whatsoever. Completely stable.

interesting, just asking do we need to use only the zips? or kdz files will also work?

^I'm_With_Stupid said:
Yes. I've been using a pie Lineage rom (Liquid Remix) as my daily driver for the past month and no problems whatsoever. Completely stable.
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Why have you linked h930 oreo ROM though?
H930 ROM over us998 bricked @HueyT or someone else's phone it I remember correctly

tech_infinity said:
Why have you linked h930 oreo ROM though?
H930 ROM over us998 bricked @HueyT or someone else's phone it I remember correctly
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I have a US998 and it worked for me. I believe this rom was confirmed working for the US998 even before I flashed it.

So, you're basically just saying to flash back to stock nougat, then stock oreo, then flash some los-16 ROMs? Hmm.... I wonder if it'll work on an H932... I'll need a spare phone before I can try. can't even joke about bricking the only phone I have, when I'm 24/7 tech support.

mattgyver said:
So, you're basically just saying to flash back to stock nougat, then stock oreo, then flash some los-16 ROMs? Hmm.... I wonder if it'll work on an H932... I'll need a spare phone before I can try. can't even joke about bricking the only phone I have, when I'm 24/7 tech support.
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@mattgyver, please do not use these files on your T-mobile H932. But yes you could possibly use this method. (see last paragraph, the rest of this is explainer.)
Let me explain about the method.
Starting with this thread, written in August 2019...
[GUIDE] Booting AOSP after stock Pie (US998 tested only)
What had been discussed informally, a set of instructions were made for US998 (including other North American variants converted to US998) to revert back from LG stock Pie while fixing any/most degradation.
Many had had upgraded to Pie to use the newer "bleeding edge" LOS-17/Android 10 ROMs or just see if Pie was any better than last stock Oreo (it's not). The LOS-17 ROMs had tons of bugs at the time, and many people immediately retreated back to stock Oreo then found they couldn't install LOS-16 ROMs anymore, and that even on stock Oreo camera/flashlight didn't work -- as well as other sensors. The "temporary" upgrade to stock Pie had made "permanent" changes. People then experimented and found they could use "permissive" kernels to mitigate some of those handicaps -- but they had to even use those custom kernels on stock Oreo and stuff didn't work as well as before.
This is why I have warnings to this day in all KDZ threads to NOT update to stock Pie without understanding the consequences.
However, we found that for North American variants (excluding T-mobile H932 because it has different RSA encryption), they could Partition DL to Canada H933 Nougat and that would re-set the clock in a way. Then flash back to US998 firmware. Canada H933 has different partition system than the other North American variants and is more difficult to work with in some aspects -- but in this case works like rough sandpaper scrubbing clean.
But even that guide above was not perfect. People would partition DL to H933 Nougat but could only come back to US998 20e -- which is right before the DTS libs were introduced and portrait selfie mode was given, as well as a bunch of other features. US998 20f, 20g, 20h (especially 20h) are the gold standard.
US009 20f had these log changes alone:
- DTS: X 3D stereo effect function has been added.
- New Always On Display options
- Selfie camera portrait mode
- Improved accessibility.
- Improved keyboard performance
- Improved the delay of keyboard input when installing multiple market apps at once.
- Photo display error in some apps since Google's latest security patch has been improved.
- Improved to keep app aspect ratio settings after app updates.
- Improved the phenomenon that fine lines are displayed on some screens when power saving mode is executed.
- Google Security Update has enhanced your phone's security.
And that's not counting US998 20g and US998 20h.
But after updating to stock Pie, that is all people could do.
Also, using Partition DL they were flashing all partitions EXCEPT for "recovery" which was supposed to keep TWRP. But people make mistakes and sometimes wiped out TWRP or couldn't correctly perform the "hardware button dance" needed to get back into TWRP and wiped everything. Then they had to use WTF Section 6 to re-install TWRP, etc. (which as you know doesn't work with T-mobile H932, as it doesn't have fastboot flash commands).
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What @^I'm_With_Stupid has done to improve this is create an H933 Nougat TWRP-flashable zip. So, users are not having to flash via LGUP Partition DL. They flash to Nougat H933 via "ROM", then flash to Oreo TWRP flashable zip. (For US998 20h, you should still flash 20e, 20f, 20g, 20h all back to back to get all the incremental changes. You should also make sure you are on Magisk 18.x for the Oreo TWRP flashable zips.)
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While this H933 Canada Nougat "scrubbing" method has been confirmed to work on North American variants (but cannot work on T-mobile H932 due to different RSA encryption), I'm concerned about the H930 variants using this. If it works, OK. But the instructions clearly link to H930 Oreo, whereas I would have linked to US998 Oreo. US998 is proven, but H930 is not (even for the original Partition DL guide I linked above) and @^I'm_With_Stupid who wrote this has US998:
^I'm_With_Stupid said:
I tested this on a US998, but I believe it should work for the H930 as well. If anyone tries the fix with an H930 please let me know in the thread.
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I thank him for his immense contribution, and I am in no way criticizing him! This H933 Nougat TWRP flashable zip will be valuable for people who wish to "start clean".
I am curious if it indeed works for H930. I normally urge people NOT to flash stock H930 variant firmware over North American variant firmware, and vice versa -- as modems are not compatible and you can't really "Frankenstein" them (no full conversion). But maybe in this case it's a necessary temporary stage. I don't know.
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Where the method would work for T-mobile H932 -- but you may mess up -- would be basically going back to the beginning. Partition DL back to T-mobile H932 Nougat 10d -- but leave off Recovery partitions. Theoretically you would still have TWRP. You would then have to use "hardware button dance" to get back to TWRP, and then you could flash the T-mobile H932 20s Oreo TWRP-flashable zip (stock ROM). While flashing back to T-mobile H932 Nougat is not quite the same as flashing a completely different model, it's all you can do on T-mobile H932. And people have found that flashing back to Nougat -- even on their own variant -- does make changes. In fact, in the US998 Pie thread, one of the suggestions to successfully flash that very wonky KDZ is to Refurbish back to US998 Nougat first, THEN use Update mode to flash Pie KDZ.

ChazzMatt said:
@mattgyver, please do not use these files on your T-mobile H932.
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:laugh: :silly: Come on, @ChazzMatt. Why wouldn't a US998 file work on my H932 :silly: You know I'm not just a typical user
I pulled the stock nougat and oreo files for the H932. Just figuring out which tmobile phone to buy as a spare in case I brick this. I need the 600mhz support. There are dead spots where I work, and I knew the second they got band 71 running because I had service everywhere.
Even still, I haven't really needed to worry about los. stock pie actually hasn't been terrible. I got used to it, which was surprising. I will try the method, just to see if it's possible. Like I said, just need a fallback device, in case something catastrophically fails!

mattgyver said:
:laugh: :silly: Come on, @ChazzMatt. Why wouldn't a US998 file (or any other North American V30 variant file EXCEPT for T-mobile H932) work on my H932 :silly: You know I'm not just a typical user
I pulled the stock nougat and oreo files for the H932. Just figuring out which tmobile phone to buy as a spare in case I brick this. I need the 600mhz support. There are dead spots where I work, and I knew the second they got band 71 running because I had service everywhere.
Even still, I haven't really needed to worry about los. stock pie actually hasn't been terrible. I got used to it, which was surprising. I will try the method, just to see if it's possible. Like I said, just need a fallback device, in case something catastrophically fails!
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No, you aren't typical user! But other people not as knowledgeable as you will read this thread perhaps months from now. When I answer a question, I try to also talk to general audience, many of whom may not even own this phone yet.
For LTE band 71 on T-Mobile, you can always buy the 128GB T-mobile H932 V30+
($180 right now, which is decent price for "renewed" 128GB H932 V30+ -- which was limited edition offered by T-mobile during the 2017 Holidays. A lot of people don't realize the T-mobile H932 V30+ even exists...)
or buy another 64GB T-mobile H932 V30: (less than $100)

Flashed this on my open market us998. Rebooted to recovery to make sure I hadn't lost TWRP, which I hadn't. Rebooted to system. Booted up fine, but couldn't get past setup keeps force closing. Button danced back to TWRP, and reinstalled the nougat zip, and bootlooped on LG screen. Back to recovery, and installed 20e,f, g, and h. Restored back up. Any thoughts on setup force closing?

Got the itch to flash something (that wouldn't send me to jail )
Confirming that this method DOES NOT work with TMo's H932.
Wiped everything on my phone, flashed the H932 Nougat FullStock zip then the H932 Oreo FullStock zip, both by @weakNPCdotCom
Once I got back to Oreo, I flashed los16. Camera crashes on open. Flashlight doesn't ever activate.
I at least wanted to try. Was definitely hoping it would work, if for nothing else, more up to date security patches. Oh well ..

mattgyver said:
Got the itch to flash something (that wouldn't send me to jail )
Confirming that this method DOES NOT work with TMo's H932.
Wiped everything on my phone, flashed the Nougat FullStock zip then the Oreo FullStock zip, both by @weakNPCdotCom
Once I got back to Oreo, I flashed los16. Camera crashes on open. Flashlight doesn't ever activate.
I at least wanted to try. Was definitely hoping it would work, if for nothing else, more up to date security patches. Oh well ..
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Guess then you'll have to use aosp pie ROMs on permissive only for camera to work

tech_infinity said:
Guess then you'll have to use aosp pie ROMs on permissive only for camera to work
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Back on stock pie for now. I only tried so that all would know if that procedure might work for the h932. I'd rather my device break than anyone else's

mattgyver said:
Back on stock pie for now. I only tried so that all would know if that procedure might work for the h932. I'd rather my device break than anyone else's
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Hehe you make a good point. Especially because a less experienced user is more likely to break his phone if he tried, so good thing you tried it.
Thanks for trying and sharing

@^I'm_With_Stupid - can you add to the OP that this doesn't work on the H932. Granted, no one ever reads the OP of most threads.

Ballroomblitz said:
Flashed this on my open market us998. Rebooted to recovery to make sure I hadn't lost TWRP, which I hadn't. Rebooted to system. Booted up fine, but couldn't get past setup keeps force closing. Button danced back to TWRP, and reinstalled the nougat zip, and bootlooped on LG screen. Back to recovery, and installed 20e,f, g, and h. Restored back up. Any thoughts on setup force closing?
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Sorry for taking so long to reply. Did you wipe your device before doing everything? Nougat zip should not bootloop no matter what. Also, you might not be able to restore the entire backup if it's a twrp backup. That might bring back the same problems as before. You might have to try and backup and restore another way, like using titanium.
mattgyver said:
@^I'm_With_Stupid - can you add to the OP that this doesn't work on the H932. Granted, no one ever reads the OP of most threads.
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Done! Thanks for testing.

This does NOT work for h930!!!