stuck at bootloader state : bootloader unlocked ! - G4 Q&A, Help & Troubleshooting

my lg g4 h815 is stuck on this msg at the boot screen :
stuck at bootloader state : bootloader unlocked !
i tried flashing it to many versions ; always end up and when i try to turn in it on i see nothing but this
delete the spaces plz
imagizer.imageshack. us/v2/1024x768q90/923/LKepyr. jpg
the only mode that i can access to is emergency mode

Are you definitely flashing the correct firmware? No Nandroid? Would LGUP possibly fix?

SavageRobot said:
Are you definitely flashing the correct firmware? No Nandroid? Would LGUP possibly fix?
Click to expand...
Click to collapse
yeah of course the correct firmware , many in tot and kdz format , using original flasher and boxes softwares .
i already said that i can only access to emergency mode , no custom recovery on my device

If your LED doesn't blink it means u just got a 'bootloop issue'. LG said its 'loose connection between the components', so high five cuz my G4 died as well, I mailed LG if I can get replacement. Since they replaced people's G4 after the warranty period they should replace it even if the bootloader is unlocked, when they reply I'll tell you whether you can get replacement or throw it away. (Theres no fix for it)

Adam Myczkowski said:
If your LED doesn't blink it means u just got a 'bootloop issue'. LG said its 'loose connection between the components', so high five cuz my G4 died as well, I mailed LG if I can get replacement. Since they replaced people's G4 after the warranty period they should replace it even if the bootloader is unlocked, when they reply I'll tell you whether you can get replacement or throw it away. (Theres no fix for it)
Click to expand...
Click to collapse
I am having this issue now as well. Please let me know what LG said to you in there reply back to you.
Thanks

dmxcrb said:
I am having this issue now as well. Please let me know what LG said to you in there reply back to you.
Thanks
Click to expand...
Click to collapse
LG simply sai that they will not repair it and they gave me the phone number to their 3rd party service that REFUSED to repair my phone, I'm done.

Related

LG G4 Bootloop

Hello,
Today my Phone suddenly started to reboot at first it just did a reboot normaly but afterwards it started to reboot again but now I am stcuk in the screen with the lg logo and the bootloader unlocked message I tried to boot into recovery but after I choose to do factory reset so i can boot into twrp, again it only boots to the screen with lg logo and bootloader unlocked message.
I am on Genesys Rom and did not install any Mods
is there anyway for me to fix this?
Please help me
jizang said:
Hello,
Today my Phone suddenly started to reboot at first it just did a reboot normaly but afterwards it started to reboot again but now I am stcuk in the screen with the lg logo and the bootloader unlocked message I tried to boot into recovery but after I choose to do factory reset so i can boot into twrp, again it only boots to the screen with lg logo and bootloader unlocked message.
I am on Genesys Rom and did not install any Mods
is there anyway for me to fix this?
Please help me
Click to expand...
Click to collapse
unlocking the bootloade voids your warranty.. only way is to send it to LG... or used the modded KDZ to disable big cores... in case you ncaat fix it. or get new motherboard..
raptorddd said:
unlocking the bootloade voids your warranty.. only way is to send it to LG... or used the modded KDZ to disable big cores... in case you ncaat fix it. or get new motherboard..
Click to expand...
Click to collapse
So its not software related? Is there anyway to disable the bootloader unlocked message?
jizang said:
So its not software related? Is there anyway to disable the bootloader unlocked message?
Click to expand...
Click to collapse
bootloop not software but hardware... but you could try flashing KDZ using LGUP. ive seen some claim theirs worked after flashinf stock firmware if it continues then hardware but most likely its hardware..
mines is unlockable.. and trying to keep it that way for the same reason... ive seen a post that says it can be relocked...
heres is the post.. i would like to ask you a favor if you try it.. make video of it .. to prove it works..
http://forum.xda-developers.com/tmobile-g4/help/relock-bootloader-h811-t3372970
This is the reason why i swap my G4 H818P to Korean Variant G4. The Bootloop problem. Korean Variant is perfect for me. Strong 4G signal and no more SMS Limits in Marshmallow official update.
Sent from my LG-F500S using Tapatalk

Hi buddys pls help me

I was upgrading my lg g4 verizon version vs986 to android 6.0 and it stopped at mid of the update process, that bricked my phone and now i cant access to download or recovery mode, i was using stock rom and without root or custom recovery, any idea how can I unbrick it? pls help. Thanks in advance pals.
Not even lg logo on screen :C
http://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848
Go back to stock
rajkatiyar07 said:
http://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848
Go back to stock
Click to expand...
Click to collapse
Cant enter download mode pal
Delintg2 said:
Cant enter download mode pal
Click to expand...
Click to collapse
then i guess tell LG and have them repaired
Maybe a stupid question..... but have you tried to refurbish with LGUP ? As long as it detects the phone LGUP should do the rest itself, or doesnt it? Have not bricked my LG before, but have bricked my sony device and as long as it got detected by the pc it always was fixable
waagbull said:
Maybe a stupid question..... but have you tried to refurbish with LGUP ? As long as it detects the phone LGUP should do the rest itself, or doesnt it? Have not bricked my LG before, but have bricked my sony device and as long as it got detected by the pc it always was fixable
Click to expand...
Click to collapse
Thats the problem, pc doesnt recognize it :c

G4 rebooting continously

Hi.
The device is a g4 h815. Rooted, uses twrp and a custom rom.
Few days ago its rebooted and cant boot normally, just rebooting continously.
Try hard reset to enter twrp, but its not working.. rebooting.
Whats now? Bootloader is open, so i dont have warrantly i think, but its a hardware problem, wright?
Thanks for your answer!
Sounds like the bootloop issue.
Had almost the same problem and mine finally died. I put the phone in the refrigerator, it open a few times, and then it never booted again. I had bl unlocked, went to lg, they ptobably could not boot the device and replaced the motherboard no questions asked in warranty. Maybe you get lucky too
teokrata said:
Hi.
The device is a g4 h815. Rooted, uses twrp and a custom rom.
Few days ago its rebooted and cant boot normally, just rebooting continously.
Try hard reset to enter twrp, but its not working.. rebooting.
Whats now? Bootloader is open, so i dont have warrantly i think, but its a hardware problem, wright?
Thanks for your answer!
Click to expand...
Click to collapse
Call lg. The warrantys are extendex on the g4.
Dont put it in the fridge. Itll absorb moisture. And tbey wont waranty then.
TheMadScientist420 said:
Call lg. The warrantys are extendex on the g4.
Dont put it in the fridge. Itll absorb moisture. And tbey wont waranty then.
Click to expand...
Click to collapse
Lg said, because the bootloader is unlocked, they dont so it in waranty. Its 250$ for switching motherboard.
teokrata said:
Lg said, because the bootloader is unlocked, they dont so it in waranty. Its 250$ for switching motherboard.
Click to expand...
Click to collapse
which is crap on there end cause theyve warantied many with a unlocked bootloader
damn thing aint worth 250 bucks
man i hate it for you that sucks
and this is why there a lawsuit against them for it
I try to call my service provider to help me.. I hope they can do something.
And try with lg bridge... I sont have more idea.
Bridge and lgup cant flash the phone. Sucks for me

Hard Bricked even after remote session with L2 Technician

Recently, I rooted my op5t 8/128gb successfully and played around with several mods till the problem occurred when i flashed Xposed framework and also some of sauron soundmod after flashing my op5t was rebooting to 1+ screen and freezed there without booting into program normally. I can only access to fastboot mode with screen show bootloader unlocked. Then I followed some advice from xda post to flash recovery again but nothing happened eventhough the recovery flashing was successful. Finally, I contacted op online service and did remote session with it's L2 technician, during the process of fastboot flashing thru msmtool 4.0.3, my op5t bootloader is locked then I was asked to turned off the op5t and turned on again. Then problem is still existed, it freeze at 1+ screen ok only thing I can do is booting into fastboot mode only and not even go to recovery mode. I am very disappointed since the staff told me to send in my op5t to them but I am living in Thailand and so my op5t was purchased from local handcarry store not official store. I decide to post my story here and I hope someone can figure out the way to help solving my op5t problem. Please help.
You need to ask L2 to flash it in 'Qualcomm' mode. You can check whether this mode still works:
1) Turn off your device and make sure it is completely OFF
2) While pressing (and holding) the volume up button connect it via USB to your computer
Check under which name, if any, it shows up in device manager. If it does, they can flash it and fix it.
edit: if they flash with that tool you mention, it looks like they have already tried....It's not fastboot mode though
I had done it during remote session and did the recovery installation thru msmtool but after reboot it is still the same.
Please help me.
when they used the msm_tool and downloaded the files to ur phone, did it show successful and u rebooted? there is no reason why the unbrick tool did not unbrick ur device, it goes towards all partitions. u will have to go through OP again.
Bradl79 said:
when they used the msm_tool and downloaded the files to ur phone, did it show successful and u rebooted? there is no reason why the unbrick tool did not unbrick ur device, it goes towards all partitions. u will have to go through OP again.
Click to expand...
Click to collapse
Op asked me to send the op5t for service at US official service center which is impossible option for me as I am living in Thailand.
[email protected] said:
Op asked me to send the op5t for service at US official service center which is impossible option for me as I am living in Thailand.
Click to expand...
Click to collapse
Sorry, but why is that impossible? They apparantly cannot fix it remotely, you'll have to send it in.
I am living in Thailand and they only accept service for local US address only.
Did you try to explain that to them? What about the place you bought it from? Can't return it to them?
The reason is that the seller in Thailand is not the authorized agent and they sell the mobile without warranty. Buyer take own risk.
Have you tried this, looks promising, hope this helps, cheers.
http://www.oneplusbbs.com/forum.php?mod=viewthread&tid=3836845&extra=page=1&filter=typeid&typeid=136
vtec303 said:
Have you tried this, looks promising, hope this helps, cheers.
http://www.oneplusbbs.com/forum.php?mod=viewthread&tid=3836845&extra=page=1&filter=typeid&typeid=136
Click to expand...
Click to collapse
I can't sign up, can somebody help?
[email protected] said:
I can't sign up, can somebody help?
Click to expand...
Click to collapse
if you are struggling with Chinese language try translating on chrome on ur pc
vtec303 said:
if you are struggling with Chinese language try translating on chrome on ur pc
Click to expand...
Click to collapse
Thank you.
[email protected] said:
Thank you.
Click to expand...
Click to collapse
no problem, let us know if you got it sorted, cheers.
I think u have to have ur bootloader unlocked with that one, his bootloader was relocked I think he mentioned
No offence but why would you root a device in the first place when you know there is no warranty when thing went wrong?
weasley said:
No offence but why would you root a device in the first place when you know there is no warranty when thing went wrong?
Click to expand...
Click to collapse
OnePlus does still Warranty the device with unlocked bootloader and rooting, he purchased from a 3rd party which has not return, exchange or warranty, oneplus is willing to fix or exchange the device but he needs to ship from the US.
Bradl79 said:
OnePlus does still Warranty the device with unlocked bootloader and rooting, he purchased from a 3rd party which has not return, exchange or warranty, oneplus is willing to fix or exchange the device but he needs to ship from the US.
Click to expand...
Click to collapse
Correct. This is the reason why I can send in my phone because my address is from Thailand not USA.
Bradl79 said:
OnePlus does still Warranty the device with unlocked bootloader and rooting, he purchased from a 3rd party which has not return, exchange or warranty, oneplus is willing to fix or exchange the device but he needs to ship from the US.
Click to expand...
Click to collapse
Correct. This is the reason why I can send in my phone because my address is from Thailand not USA.

How can I recover the phone from this? (RED WARNING - NO BOOT)

So, I must've flashed something wrong, cause now I get
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
I still have access to FASTBOOT and Download Mode but the Bootloader is locked!! The phone is Stock! No TWRP, no nothing
Is there any way to fix it? I guess sending it to the service is not an option since the phone had Lineage OS previously...
Lgup. Just flash a kdz
maydayind said:
Lgup. Just flash a kdz
Click to expand...
Click to collapse
This has no use, Lgup does not flash into kdz
maydayind said:
Lgup. Just flash a kdz
Click to expand...
Click to collapse
I did, nothing changes, even after LG UP says "COMPLETE" the phone reboots into that error again
Your phone is probably unlocked..
Make shure u use the right kdz
Make shure u flash everything
MihaiA7X said:
So, I must've flashed something wrong, cause now I get
I still have access to FASTBOOT and Download Mode but the Bootloader is locked!! The phone is Stock! No TWRP, no nothing
Is there any way to fix it? I guess sending it to the service is not an option since the phone had Lineage OS previously...
Click to expand...
Click to collapse
Unlock bootloader and flash a custom rom works if you have enabled oem unlock in developer option
Bricked mine too by going from a GSI to the stock euro kdz then relocking the bootloader. Tried using partition dl, refurbish, factory upgrade, etc every option besides the chip erase one.
I've run the dft option from lgup (it compares the partitions from the phone to the ones from the kdz) and it fails on the "ftm" partition, then I used the partition dl and selected only the ftm partition, ran dft again and it failed on the "PrimaryGPT" partition.
It may be unbricked via firehose/9008 I think but since there's no public firehose file for the G7 we're out of luck.
Welcome to the club!
I bricked mine 2 days ago... Same error message... Did the same steps as you...
I also had Fastboot and Download Mode in the beginning...
And no! Flashing a kdz with LGUP doesn't solve this! And it is LG to blame that this doesn't solve this because it should. Flashing stock should always set the phone back to initial state
Then something went wrong flashing with LGUP and I lost Download Mode - only with Fastboot mode left....
Maybe a last hope is using a guy with the right tools to flash from 9008 mode...
The good thing: You can't break 9008 mode if the hardware ins't broken
I am working on it - We got Download mode back already flashing the full kdz in 9008 mode...
Next try is to re-unlock the bootloader from 9008 mode...
I keep you informed...
MagicOJB said:
The good thing: You can't break 9008 mode if the hardware ins't broken
I am working on it - We got Download mode back already flashing the full kdz in 9008 mode...
Next try is to re-unlock the bootloader from 9008 mode...
I keep you informed...
Click to expand...
Click to collapse
Did you manage to bring it from a state where you were not able to use download mode to a functional download mode, if so, there's still hope.
If it would be possible to flash using QFIL but instead of using the laf partition from the stock kdz we use the v35 engineering laf instead, would it still check for the "Enable OEM Unlocking" tick for flashing partitions?
The partitions.xml file would need some adjustments since the laf partition sectors from the v35 eng laf will differ from the ones from the stock kdz.
I don't have my G7 atm, but I will try doing this once I get it back.
V35 engineering laf: https://androidfilehost.com/?fid=1395089523397937620
Using QFIL: https://www.youtube.com/watch?v=BmAuzbG9re4
waau said:
Did you manage to bring it from a state where you were not able to use download mode to a functional download mode, if so, there's still hope.
Click to expand...
Click to collapse
Yes (But some guy helped my from remote with a OctoPlus tool)
waau said:
If it would be possible to flash using QFIL but instead of using the laf partition from the stock kdz we use the v35 engineering laf instead, would it still check for the "Enable OEM Unlocking" tick for flashing partitions?
The partitions.xml file would need some adjustments since the laf partition sectors from the v35 eng laf will differ from the ones from the stock kdz.
I don't have my G7 atm, but I will try doing this once I get it back.
V35 engineering laf: https://androidfilehost.com/?fid=1395089523397937620
Using QFIL: https://www.youtube.com/watch?v=BmAuzbG9re4
Click to expand...
Click to collapse
I was thinking about using QualComm tools also, but for now I stick with the guy with OctoPlus tool - With the QualComm tools there are to many unknowns
Right now I wait for the guy and we try to unlock the bootloader again with the same tool, because flashing the kdz brought back the download mode, but still does not resolve the safety error message.
I hope with an unlocked bootloader I can boot up into system again - but I still don't know if we get the bootloader unlocked with this procedure
I have a suspicion ...
I think my phone wasn't "bricked" - or at least the cause was completely different from what I thought...
I also used the LineageOS image - which needed to install the Korean Pie first - and then I went back to European Oreo (TIM)
I think the safety error might be related to the bootloader downgrade from the "pie" to the "oreo" one again - so maybe everything went well with the flashing of the device
We try to bring back the "pie" bootloader to my phone ... let's see what happens... last hope...
Emm.. Problem is, i flashed Korean Pie from LG U+ and then flashed stock .kdz without relocking bootloader, and everything goes fine. My phone works like a charm, so i don't think downgrade is a problem... But i think there is a possibility, that downgrade is impossible when bootloader is locked.
ShadoV90 said:
Emm.. Problem is, i flashed Korean Pie from LG U+ and then flashed stock .kdz without relocking bootloader, and everything goes fine. My phone works like a charm, so i don't think downgrade is a problem... But i think there is a possibility, that downgrade is impossible when bootloader is locked.
Click to expand...
Click to collapse
with an unlocked bootloader the safety procedures are not in place
but sadly flashing the pie image did not fix it ...
Well, the store told me to send the phone to the service I sent them a picture of the problem beforehand...I hope they will fix it, fingers crossed
MihaiA7X said:
Well, the store told me to send the phone to the service I sent them a picture of the problem beforehand...I hope they will fix it, fingers crossed
Click to expand...
Click to collapse
When will you know?
Okay - If they really get this fixed it would be nice if they could share how they did it.
If you could provide a full backup of your phone (before setting up personal stuff) with the bootloader unlocked that would help others which are falling into this trap.
I don't count on my ebay "store".
I would also now think it is LG's fault. If you follow the link which is show with the error message it clearly states that you can get back to a safe state if you flash a stock image. That is how Google inteded it. I would say we did everthing right and because they implemented the safety feature not correctly we got stuck.
I try to connect to LG service and ask what the safety check is looking for and if the can build me a signed kdz with developer options set.
MagicOJB said:
When will you know?
Okay - If they really get this fixed it would be nice if they could share how they did it.
If you could provide a full backup of your phone (before setting up personal stuff) with the bootloader unlocked that would help others which are falling into this trap.
I don't count on my ebay "store".
I would also now think it is LG's fault. If you follow the link which is show with the error message it clearly states that you can get back to a safe state if you flash a stock image. That is how Google inteded it. I would say we did everthing right and because they implemented the safety feature not correctly we got stuck.
I try to connect to LG service and ask what the safety check is looking for and if the can build me a signed kdz with developer options set.
Click to expand...
Click to collapse
Well, since I'm residing in the European Union, we have a law that the European Council gave back in 1999 that states that any digital device doesn't lose it's statutory warranty if the owner alters the software on it. In fact back in 2011 and 2016 I used this law to get a Samsung Galaxy mini and an HTC Desire X fixed. In both cases the stores complied with the law and they replaced the devices free of charge.
So, even if they fix the device, they won't tell me how they've done it since I won't interact directly with the service. I've made an inquiry with LG Support and I expect an answer from them. There is a high probability that the service will replace the device entirely...and if they don't LG itself will take action, again in the EU the law puts the customer above anything else and usually the companies comply to avoid facing penalties and fines...
EDIT: I've just seen that you are from Germany so this applies to you as well
MihaiA7X said:
Well, since I'm residing in the European Union, we have a law that the European Council gave back in 1999 that states that any digital device doesn't lose it's statutory warranty if the owner alters the software on it. In fact back in 2011 and 2016 I used this law to get a Samsung Galaxy mini and an HTC Desire X fixed. In both cases the stores complied with the law and they replaced the devices free of charge.
So, even if they fix the device, they won't tell me how they've done it since I won't interact directly with the service. I've made an inquiry with LG Support and I expect an answer from them. There is a high probability that the service will replace the device entirely...and if they don't LG itself will take action, again in the EU the law puts the customer above anything else and usually the companies comply to avoid facing penalties and fines...
EDIT: I've just seen that you are from Germany so this applies to you as well
Click to expand...
Click to collapse
I also made an inquiry to the LG support. Thank you very much stating this European law ?
I really wasn't aware, but this should make discussions easier ?
And even without this law I'm looking forward voting next Sunday for a democratic united Europe ?
MagicOJB said:
I also made an inquiry to the LG support. Thank you very much stating this European law
I really wasn't aware, but this should make discussions easier
And even without this law I'm looking forward voting next Sunday for a democratic united Europe
Click to expand...
Click to collapse
[OFFTOPIC] Yes, I also hope for a democratic United Europe hopefully Sunday will mark the beginning of this.
Response from LG
LG already sent me a response in which they claim I lost warrenty by unlocking the bootloader.
It seems to be standard response, especially because in the salution is the surname of somebody else
In the meantime I found something about the kaw. A interpretation states that a good test if the defect belongs to my actions is flashing back to stock firmware, which I did. If the defect still persists it falls under warrenty.
Today I made an inquiry to the seller, but they don't have a good reputation for service. So let's see what happens here....
MagicOJB said:
LG already sent me a response in which they claim I lost warrenty by unlocking the bootloader.
It seems to be standard response, especially because in the salution is the surname of somebody else
In the meantime I found something about the kaw. A interpretation states that a good test if the defect belongs to my actions is flashing back to stock firmware, which I did. If the defect still persists it falls under warrenty.
Today I made an inquiry to the seller, but they don't have a good reputation for service. So let's see what happens here....
Click to expand...
Click to collapse
I really want them to prove this because right before sending it to service, i flashed 10b from my country code on the box "DEC", then I used LG Bridge, to the software recovery which updated my phone to 10s, and that completed successfully, meaning that my phone was full stock with locked bootloader when i sent it to them

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