Develop Bugs

G4 Conversion Question

Im wanting to Convert my EE UK H815 to an Open Europe G4. I can flash any KDZ, the Software version under > About Phone > Software Info> is always:
V10c-234-30 (I assume the "234.30" is EE UK).
Im wanting to Convert it to:
V10c.EUR.XX
Do I have to Unlock the Bootloader, then flash the Open Europe Rom.. to convert it.
Thanks

You are not required to unlock the bootloader in order to flash any kdz's, for safe operation backup your files from the device to pc/laptop then load your kdz up and do a CSE flash which will minimize the appearance of errors

Be careful when "converting" to another variant's firmware. You can very easily complete f-up your modem.

Hmmm, Good point. Im just wondering whether I should just leave the phone alone and get the updates as and when EE release them.

I think you mis-understand me CraigHardy. Ive flashed about 3 KDZ roms on my G4 using the methord on here. The roms flash on the device fine.. UK, Open EU and General EU.. all work great, BUT.. after flashing the Software Version under Settings > About Phone still says "234.30", instead of "EUR.XX", which means EE UK mustve somehoiw locked the bootloader of altered the EFI partition before retail, so that EE users always have an EE phone connected to EE servers, with EE OTAs. I want to make my G4 EUR.xx so I can get an OTA from LG on release day instead of waiting weeks for EE.
So do I need to unlock the bootloader to make my G4 EUR.xx, or is there a different way, however, if it is EEs bootloader and I cant re-lock it from LG, ill wait and support the XDA devs..

Need Android Pie firmware details for Unlocked T-Mobile Samsung S9

Hi All,
I have Samsung S9 Unlocked T-mobile from US and currently in India. Currently i have Oreo Version.
As all know, it doesnt have VOLTE option enabled which is needed for my sim network for voice calls to go through.
Somewhere i read Pie update will have VOLTE option and hence i am trying to update to Pie update.
I downloaded G960USQS6CSGB firmware for T-mobile, but before upating firmware using Odin, i got doubt if it will stick to T Mobile after update. This will make my phone not usable in India.
I tried to check online, but couldnt get direct answer and hence posting in new thread.
Can someone help clarify if it will lock the mobile to T-Mobile or will the phone be still in unlocked state?
Also i see two CSC files in the firmware folder. CSC and HOME_CSC. Which one to use?
If I should update with some other firmware for being unlocked and yet to get PIE update, please point to required firmware name or links.
Also will updating to PIE update will have VOLTE option ? Kindly confirm.
Thanks in Advance.

abalanag said:
Hi All,
I have Samsung S9 Unlocked T-mobile from US and currently in India. Currently i have Oreo Version.
As all know, it doesnt have VOLTE option enabled which is needed for my sim network for voice calls to go through.
Somewhere i read Pie update will have VOLTE option and hence i am trying to update to Pie update.
I downloaded G960USQS6CSGB firmware for T-mobile, but before upating firmware using Odin, i got doubt if it will stick to T Mobile after update. This will make my phone not usable in India.
I tried to check online, but couldnt get direct answer and hence posting in new thread.
Can someone help clarify if it will lock the mobile to T-Mobile or will the phone be still in unlocked state?
Also i see two CSC files in the firmware folder. CSC and HOME_CSC. Which one to use?
If I should update with some other firmware for being unlocked and yet to get PIE update, please point to required firmware name or links.
Also will updating to PIE update will have VOLTE option ? Kindly confirm.
Thanks in Advance.
Click to expand...
Click to collapse
csc will factory reset your phone, home_csc wont
volte wasnt removed from pie, so that shouldnt be an issue
the firmware version you posted has the 6th bootloader revision, im betting here is a 7th available for your phone, but the 6th version should be fine as well
as far as the unlocked state of the phone goes, it shouldnt re-lock, but im paranoid lol. Have you looked into the U1 versions of the phones firmware? Theyre inherently unlocked firmwares and dont have any of that irritating bloatware **** in them

youdoofus said:
csc will factory reset your phone, home_csc wont
volte wasnt removed from pie, so that shouldnt be an issue
the firmware version you posted has the 6th bootloader revision, im betting here is a 7th available for your phone, but the 6th version should be fine as well
as far as the unlocked state of the phone goes, it shouldnt re-lock, but im paranoid lol. Have you looked into the U1 versions of the phones firmware? Theyre inherently unlocked firmwares and dont have any of that irritating bloatware **** in them
Click to expand...
Click to collapse
Thanks youdoofus the inputs. Say by chance if it gets locked, is there a way to unlock the phone again from here?
may be then i will try to load U1 versions otherwise. Thanks alot.

abalanag said:
Thanks youdoofus the inputs. Say by chance if it gets locked, is there a way to unlock the phone again from here?
may be then i will try to load U1 versions otherwise. Thanks alot.
Click to expand...
Click to collapse
if it has no financial obligation to any carrier and the phone locks to that carrier, then the carrier it locked to would be required to release it. I cant imagine how it would lock to t-mob tho

Factory unlocked phones stay unlocked, no matter what firmware you flash.
Carrier locked phones that were properly unlocked by the carrier (they provide the code to SIM unlock the phone) will stay unlocked, again, no matter what firmware you flash to it - as long as it's compatible. Flashing the wrong firmware may just brick the phone. But, at least it's still SIM unlocked.
Phones that had some kind of software hack installed to trick the phone into thinking it's unlocked will lose the unlock status when you flash a firmware that also wipes the phone. Then it will come back as carrier locked again, because the hack is gone.
That last case is the only case I know of that will "re-lock" a phone. I've never heard of a carrier unlocked phone spontaneously re-locking under any circumstance.

Hi,
Thanks for the details. I tried to flash G960U1UES6CSG4_G960U1OYM6CSG4_XAA firmware. But while loading AP file in ODIN, it gave some error. Couldnt understand what is the error as its in chinese.
Then i loaded G960USQS6CSGB_G960UOYN6CSGB_TMB firmware which i downloaded previously. This got loaded in ODIN without any issues. And i am able to flash to phone. On rebooting, saw that phone moved to Pie version.
But i couldnt find VOLTE option (Enhanced calling) option. Does anyone know which version will enable that option?
Or anyother way to enable that please.
Thanks in advance.

joeldf said:
Factory unlocked phones stay unlocked, no matter what firmware you flash.
Carrier locked phones that were properly unlocked by the carrier (they provide the code to SIM unlock the phone) will stay unlocked, again, no matter what firmware you flash to it - as long as it's compatible. Flashing the wrong firmware may just brick the phone. But, at least it's still SIM unlocked.
Phones that had some kind of software hack installed to trick the phone into thinking it's unlocked will lose the unlock status when you flash a firmware that also wipes the phone. Then it will come back as carrier locked again, because the hack is gone.
That last case is the only case I know of that will "re-lock" a phone. I've never heard of a carrier unlocked phone spontaneously re-locking under any circumstance.
Click to expand...
Click to collapse
another user just posted up in another thread that they had a factory cricket phone that got unlocked, he put an at&t sim in it and it installed at&t apps and locked the phone to at&t FWIW
---------- Post added at 02:42 PM ---------- Previous post was at 02:36 PM ----------
abalanag said:
Hi,
Thanks for the details. I tried to flash G960U1UES6CSG4_G960U1OYM6CSG4_XAA firmware. But while loading AP file in ODIN, it gave some error. Couldnt understand what is the error as its in chinese.
Then i loaded G960USQS6CSGB_G960UOYN6CSGB_TMB firmware which i downloaded previously. This got loaded in ODIN without any issues. And i am able to flash to phone. On rebooting, saw that phone moved to Pie version.
But i couldnt find VOLTE option (Enhanced calling) option. Does anyone know which version will enable that option?
Or anyother way to enable that please.
Thanks in advance.
Click to expand...
Click to collapse
if your Odin error messages are in Chinese, youve obtained a modified version. Itll probably work, but youll get that Chinese stuff whenever it needs to tell you anything. I dont know which versions have volte tbh. Sorry man.

youdoofus said:
another user just posted up in another thread that they had a factory cricket phone that got unlocked, he put an at&t sim in it and it installed at&t apps and locked the phone to at&t FWIW
---------- Post added at 02:42 PM ---------- Previous post was at 02:36 PM ----------
if your Odin error messages are in Chinese, youve obtained a modified version. Itll probably work, but youll get that Chinese stuff whenever it needs to tell you anything. I dont know which versions have volte tbh. Sorry man.
Click to expand...
Click to collapse
Thanks youdoofus for trying to help. For me atleast it didnt get locked when i moved to Pie. I will try other methods.
I will try to root the phone for enabling volte, but the methods that i tried didnt work.

youdoofus said:
another user just posted up in another thread that they had a factory cricket phone that got unlocked, he put an at&t sim in it and it installed at&t apps and locked the phone to at&t FWIW
Click to expand...
Click to collapse
That's just weird.

joeldf said:
That's just weird.
Click to expand...
Click to collapse
yeah, sort of. The CSC's on these things are weird. Im starting to believe that these new versions of android are just like windows ISOs where they have all the versions compressed into one file and it uses a directory file to tell the firmware which version to install. Im sure a code writing dev can confirm or deny this thought, but at this point its merely a weak theory

2019-10-08_21:17:56 Device Info:
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product.board : sdm845
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Time Used: 2.00 s

Bypass network lock?

Has anyone flashed the retail/retus image from mirrors.lolinet.com on this to use with a different carrier? Boost requires you to use their services for 12 months before you're eligible for network unlocking

It will most likely work

I can confirm that flashing retus to the Boost variant works fine to unbrand the device.

thefilefly said:
I can confirm that flashing retus to the Boost variant works fine to unbrand the device.
Click to expand...
Click to collapse
Any issues with connecting to the network or lte? Or is everything running like it normally should? Cause if so that's very interesting

ninjakira said:
Any issues with connecting to the network or lte? Or is everything running like it normally should? Cause if so that's very interesting
Click to expand...
Click to collapse
Worked fine on the Boost network when I tried it.

Flashing RetUS firmware
Earlier this month I picked up a Boost Moto G Fast. I was disappointed to find how much bloatware came with it and that it doesn't include WiFi calling. I have not unlocked the bootloader while I decide if I want to keep this phone or not.
I just downloaded RetUS firmware from lolinet.com.
Do you have instructions for flashing this firmware? I couldn't find any for this phone so I was planning to tweak the instructions for flashing the Moto G7 series at https://forum.xda-developers.com/g7-power/how-to/guide-moto-g7-power-supra-flash-to-t3927138
Any idea if I can flash this without unlocking the bootloader? I'm assuming the factory image is signed by Motorola and should be accepted by the bootloader without unlocking.
Do you have to wipe userdata after flashing or can you keep your apps and data intact since the firmware should be the same version?
Does the RetUS firmware support WiFi calling?
I'll probably be able to answer these questions myself soon enough but I thought I'd ask first.

So after flashing the retus firmware myself on my moto g fast from boost mobile, inserting my active SIM card from tmobile did not work and the uicc said it's still lock to sprint network so I don't believe we can get network unlock simply by flashing different firmware on this

SeaWolfFan said:
Do you have instructions for flashing this firmware?
Click to expand...
Click to collapse
I found instructions for flashing Sofia here, should also apply to Rav: https://www.droidwin.com/install-stock-firmware-on-motorola-g8-power-via-fastboot-commands/
SeaWolfFan said:
Any idea if I can flash this without unlocking the bootloader?
Click to expand...
Click to collapse
Nope. I bricked my phone trying. Do not attempt to flash anything without unlocking the bootloader first.

Flashing the the firmware doesn't remove the carrier lock. Currently have mine on RETUS stock and it still says it's on the Sprint network and the software channel says "Boost."
Unfortunately it doesn't look like there is anyone out there able to unlock these devices either.

I also been trying to work with this...no avail. So far:
Unlocked bootloader since unboxing in December...thanks Motorola developers..
I lost count on how many times I bricked this phone.... probably 7..
I sent it over to MX last month to see how it behaved. They couldn't activate. "Phone is too new'...WTH..
Now is sitting on my night stand. With games apps, Kodi...just waiting to be flashed again. PS: I hate you boost mobile!!

SeaWolfFan said:
Does the RetUS firmware support WiFi calling?
Click to expand...
Click to collapse
I switched away from Boost back in December and recently switched back, so now I can answer this question. No, the RetUS firmware does not support WiFi calling.

Need help network unlocking, flashed to stock

I got a new phone, the LM-G820UM AT&T version. I followed this guide: https://forum.xda-developers.com/t/tutorial-crossflash-bypass-opid-mismatched-error.4345963/ to flash the stock firmware. With my SIM card in it says "network locked", it doesn't prompt for the unlock code. I have the unlock code and I've tried the various unlock commands (2945#*71001# and 2945#*20001#), but nothing comes up when I do these. Do I need to get it back to the AT&T firmware to be able to unlock it? If so, how can I do this?

gunnerone007 said:
I got a new phone, the LM-G820UM AT&T version. I followed this guide: https://forum.xda-developers.com/t/tutorial-crossflash-bypass-opid-mismatched-error.4345963/ to flash the stock firmware. With my SIM card in it says "network locked", it doesn't prompt for the unlock code. I have the unlock code and I've tried the various unlock commands (2945#*71001# and 2945#*20001#), but nothing comes up when I do these. Do I need to get it back to the AT&T firmware to be able to unlock it? If so, how can I do this?
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wow, yeah, that's unfortunate. First, yes, it's the at&t firmware that the unlock code works with, not any other firmware.
second, at&t doesn't make their kdz available, so you have no easy way to get back to their firmware.
you might get lucky and find someone who has backed up all their partitions from at&t. Then u would flash ea one back via qfil.
Important lesson: don't buy a locked phone. if u get a locked phone, don't to anything to the firmware until u unlock the phone.
cheers

@AsItLies would this phone work in it's current state with AT&T?

gunnerone007 said:
@AsItLies would this phone work in it's current state with AT&T?
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To the best of my knowledge, no. At&t is one of the carriers that has restrictions for their networks. Last I read (have never used them personally), they only allow phones that have their IMEI (they check that), and it's using their ROM, to access volte and vowifi.
so, would it work? yes and no. Volte and Vowifi may or may not be important to you.
Additionally, I'm absolutely no expert with at&t, so u might just try and find out, my info could be outdated.

Question Flashing Generic Firmware on Unlocked ATT Pixel 6 Pro

Hi,
Can u pls let me know if it is possible to flash generic firmware(like firmware from Google Store's Pixel6 pro) on Unlocked ATT Pixel 6 Pro?
The reason I'm asking is, because i have ATT specific functionality on esim addition that prevents me to add Non- ATT esim.
Thanks

I would refer you to this link https://developers.google.com/android/images

@mindseye0803 If by unlocked you mean the bootloader is unlocked, then yes. If you merely mean it's carrier unlocked, then no - not unless you are able to unlock the bootloader as well. Keep in mind, unlocking the bootloader will fully wipe your phone including internal storage so be prepared.

roirraW edor ehT said:
@mindseye0803 If by unlocked you mean the bootloader is unlocked, then yes. If you merely mean it's carrier unlocked, then no - not unless you are able to unlock the bootloader as well. Keep in mind, unlocking the bootloader will fully wipe your phone including internal storage so be prepared.
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Yeah, since it is carrier unlocked and ATT one, i can unlock the bootloader. Do i need to unlock bootloader before flashing generic firmware? Can i lock bootloader back after flashing generic firmware?
I'm ok with wiping the phone.

mindseye0803 said:
Yeah, since it is carrier unlocked and ATT one, i can unlock the bootloader. Do i need to unlock bootloader before flashing generic firmware? Can i lock bootloader back after flashing generic firmware?
I'm ok with wiping the phone.
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When you say generic firmware, you just mean the official Pixel firmware Google provides, correct?
As far as I know, all the carriers use the same official firmware, and would be the same as Google provides for manual flashing.
Yes, you need to unlock the bootloader before manually flashing.

roirraW edor ehT said:
When you say generic firmware, you just mean the official Pixel firmware Google provides, correct?
As far as I know, all the carriers use the same official firmware, and would be the same as Google provides for manual flashing.
Yes, you need to unlock the bootloader before manually flashing.
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Yes, when i say generic firmware, i mean Official Pixel firmware Google provides.
Yeah, i know currently there is just same official firmware but initially there were individual versions. The leftover from individual version is that while adding esim , it shows ATT specific messages and might be limiting the additon of non ATT esims.

Nothing can be "left over". If your phone has been updated to 12.1, then you have the universal/only factory firmware build available. But note that there ARE carrier specific packages installed in that firmware, the specifics of which will be selected based on whatever criteria they've decided on. Might be whose sim card is installed, or could be some hardware model code.
In other words, the procedure you are attempting to follow will not yield the results you're looking for.

Are you certain that it is SIM-unlocked? If you put in a physical sim from a different carrier, does it work?

96carboard said:
Nothing can be "left over". If your phone has been updated to 12.1, then you have the universal/only factory firmware build available. But note that there ARE carrier specific packages installed in that firmware, the specifics of which will be selected based on whatever criteria they've decided on. Might be whose sim card is installed, or could be some hardware model code.
In other words, the procedure you are attempting to follow will not yield the results you're looking for.
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Ok, i was looking at options as I'm having trouble porting to US Mobile. Since this was sold as ATT branded Pixel 6 pro, carrier specific packages installed in the firmware based on hardware model code makes more sense.

96carboard said:
Are you certain that it is SIM-unlocked? If you put in a physical sim from a different carrier, does it work?
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Yeah, it is SIM unlocked. I'm using ATT as physical sim and Tmobile as e-sim. Earlier I had ATT as e-sim.

If you find the Att version of the Pixel 6pro, please tell me how to unlock the OEM.
如果您找到 Pixel 6pro 的 Att 版本，请告诉我如何解锁 OEM。

决明55 said:
如果您找到 Pixel 6pro 的 Att 版本，请告诉我如何解锁 OEM。
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Translated
If you find an Att version of the Pixel 6pro, please tell me how to unlock the OEM.

Nergal di Cuthah said:
Translated
If you find an Att version of the Pixel 6pro, please tell me how to unlock the OEM.
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It has to be unlocked by ATT after device payoff and 6 months of continuous service.

决明55 said:
如果您找到 Pixel 6pro 的 Att 版本，请告诉我如何解锁 OEM。
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Unlock a Phone or Device - AT&T Device Unlock Portal
www.att.com