2017 LG G4 Stuck in Boot Loop? - G4 Q&A, Help & Troubleshooting

I unlocked an H812 (2017 version... serial starts with 702) several months ago and successfully flashed a stock Nougat ROM. Everything was working great until now. This past week, it randomly started shutting down. Yesterday, it got to the point where I could no longer boot into the OS. I think I got to the unlock screen once, and then it shut off. Now it simply boot loops. There is no SD card in the phone. I couldn't figure out how to get into Safe Mode from TWRP, so I did a factory reset. Still boot loop. I then did a factory reset + wiped the internal drive, and then reinstalled Stock N ROM. Still boot looped. Tried reinstalling the ROM again. Still in a boot loop. I know LG G4 has hardware issues. However, I can boot into TWRP just fine, the temperature doesn't look crazy at all, and it can stay in TWRP indefinitely without shutting down.
Something I noticed after wiping the internal drive is that when I'm finished installing N stock, it says it's successful, but when I checked the File Manager to look in the internal SD card, it still shows it as blank (with the exception of a TWRP folder). Is this normal? Isn't the operating system supposed to be installed on this? Why is it telling me that it's finished installing, and yet nothing is there. For fun, I tried booting up, and I'm still in a boot loop. But I assume it's because I have no OS? Or does the internal sd populate with files upon bootup?
I also used used fastboot and flashed the 4 core image (H811 because GPT compatibility said H811). And I also flashed the 4 core TWRP. I tried installing the stock N again, and file manager still shows no files or folders on internal sd except for TWRP folder. Phone still stuck in boot loop (no OS)?
Please, someone help!
I spoke with LG in case it is a motherboard issue, and they said they only replace the 2015 and 2016 model motherboards for free.

threehappypenguins said:
I unlocked an H812 (2017 version... serial starts with 702) several months ago and successfully flashed a stock Nougat ROM. Everything was working great until now. This past week, it randomly started shutting down. Yesterday, it got to the point where I could no longer boot into the OS. I think I got to the unlock screen once, and then it shut off. Now it simply boot loops. There is no SD card in the phone. I couldn't figure out how to get into Safe Mode from TWRP, so I did a factory reset. Still boot loop. I then did a factory reset + wiped the internal drive, and then reinstalled Stock N ROM. Still boot looped. Tried reinstalling the ROM again. Still in a boot loop. I know LG G4 has hardware issues. However, I can boot into TWRP just fine, the temperature doesn't look crazy at all, and it can stay in TWRP indefinitely without shutting down.
Something I noticed after wiping the internal drive is that when I'm finished installing N stock, it says it's successful, but when I checked the File Manager to look in the internal SD card, it still shows it as blank (with the exception of a TWRP folder). Is this normal? Isn't the operating system supposed to be installed on this? Why is it telling me that it's finished installing, and yet nothing is there. For fun, I tried booting up, and I'm still in a boot loop. But I assume it's because I have no OS? Or does the internal sd populate with files upon bootup?
I also used used fastboot and flashed the 4 core image (H811 because GPT compatibility said H811). And I also flashed the 4 core TWRP. I tried installing the stock N again, and file manager still shows no files or folders on internal sd except for TWRP folder. Phone still stuck in boot loop (no OS)?
Please, someone help!
I spoke with LG in case it is a motherboard issue, and they said they only replace the 2015 and 2016 model motherboards for free.
Click to expand...
Click to collapse
Refer to FAQ # 5a in the UsU unlock thread.
Did you do a clean flash of the rom? If not, wipe cache, dalvik cache, system and most important, format data, before installing the rom again.
I note you did not mention flashing the appropriate gapps for the rom version you're trying to boot up. Maybe an idea if you didn't.
If all else fails, go to IRC (Support / IRC Channel paragraph in the UsU unlock thread OP) and get help directly from steadfasterX.

sdembiske said:
Refer to FAQ # 5a in the UsU unlock thread.
Did you do a clean flash of the rom? If not, wipe cache, dalvik cache, system and most important, format data, before installing the rom again.
I note you did not mention flashing the appropriate gapps for the rom version you're trying to boot up. Maybe an idea if you didn't.
If all else fails, go to IRC (Support / IRC Channel paragraph in the UsU unlock thread OP) and get help directly from steadfasterX.
Click to expand...
Click to collapse
Yes, I did a clean flash. wiped cache, dalvik cache, system, and also formatted data (yes, formatted, not just wipe). I did not flash gapps because I flashed a stock Nougat ROM (the same one that has been working for months).
I'm really hoping to know whether it's normal for file manager to be blank and not show the Android, data, folders and all that. I want to know if those folders populate upon a successful bootup, or if they're supposed to be there right after the ROM says it's successfully flashed. That way I can tell if there is an issue with the ROM not installing (which if that is the case, of course I can't boot up).
I have been posting on the UsU thread, but steadfasterX said to flash 4 core boot rom and 4 core TWRP. I did that, but still no boot up. And I *think* there is no boot up because I have no operating system? Again, what is supposed to be in file manager after a ROM flash? I asked steadfasterX but have not gotten an answer.

threehappypenguins said:
Yes, I did a clean flash. wiped cache, dalvik cache, system, and also formatted data (yes, formatted, not just wipe). I did not flash gapps because I flashed a stock Nougat ROM (the same one that has been working for months).
I'm really hoping to know whether it's normal for file manager to be blank and not show the Android, data, folders and all that. I want to know if those folders populate upon a successful bootup, or if they're supposed to be there right after the ROM says it's successfully flashed. That way I can tell if there is an issue with the ROM not installing (which if that is the case, of course I can't boot up).
I have been posting on the UsU thread, but steadfasterX said to flash 4 core boot rom and 4 core TWRP. I did that, but still no boot up. And I *think* there is no boot up because I have no operating system? Again, what is supposed to be in file manager after a ROM flash? I asked steadfasterX but have not gotten an answer.
Click to expand...
Click to collapse
I know when I've clean flashed a rom in TWRP, I show no files in Internal in the USB connection screen. If you didn't get an error indicating no OS installed, I wouldn't worry about that for now.
Again, refer to FAQ #5a. Did you immediately flash the baseband file after the rom flash? Did you re-install the N modem? etc, etc. You may have to re-install the bootloader stack etc. Go through all the steps.
And again, go to IRC if all else fails.
Note: Please learn to use the Thanks button (bottom right of post), when members answer your questions or provide useful information when trying to help. It's an XDA courtesy - please learn to use it.

sdembiske said:
I know when I've clean flashed a rom in TWRP, I show no files in Internal in the USB connection screen. If you didn't get an error indicating no OS installed, I wouldn't worry about that for now.
Again, refer to FAQ #5a. Did you immediately flash the baseband file after the rom flash? Did you re-install the N modem? etc, etc. You may have to re-install the bootloader stack etc. Go through all the steps.
And again, go to IRC if all else fails.
Note: Please learn to use the Thanks button (bottom right of post), when members answer your questions or provide useful information when trying to help. It's an XDA courtesy - please learn to use it.
Click to expand...
Click to collapse
Here's what I've done now at this point. I tried creating and flashing a 2 core boot image via fastboot, and then flashing the 2 core TWRP. Still bootloop.
I flashed the v29a N modem and UsU kernel for my device (H812), then went to TWRP and flashed stock N ROM again. Still bootloop.
I flashed N stock modem again, then baseband package for my model. Still bootloop.
I'm about to extract my MM modem and flash that.
Beyond that, I don't know what to do. I had zero issues with the UsU method originally and everything went fine and has been fine for the last couple of months since I did it.

Well, roadblock again. I attempted to extract modem from the kdz with SALT in FWUL, and after a while, I get a popup window that says: "This KDZ has an ARB of: arb-detect-error" and then it says "Select partition(s) to EXTRACT:"
Except there are no partitions to select. And my only options are "Deselect All" "Extract" and "Abort." If I try "Extract," I get the error, "No partition selected or abortioned by user."
I did make sure I had the latest version of SALT.

Gave up on salt to extract the kdz and turned to Windows. I didn't know what else to do. I was able to extract the .dz, and then extract the modem_32768.bin file. Transferred it to FWUL, renamed it modem_32768.img, and then typed
Code:
fastboot flash modem modem_32768.img
Rebooted, and still have boot loop.
I'm going to investigate this bootloader stack thing (I don't even know what that is). But again, I really don't understand why this all worked fine for a couple of months.

threehappypenguins said:
Gave up on salt to extract the kdz and turned to Windows. I didn't know what else to do. I was able to extract the .dz, and then extract the modem_32768.bin file. Transferred it to FWUL, renamed it modem_32768.img, and then typed
Rebooted, and still have boot loop.
I'm going to investigate this bootloader stack thing (I don't even know what that is). But again, I really don't understand why this all worked fine for a couple of months.
Click to expand...
Click to collapse
Read about the ilapo it can't be fixed by software it may just help to enlenghten life.
Sent from my OnePlus 6T using XDA Labs

Related

[HELP] I think I screwed up, factory image/bootloader help

EDIT: SOLVED. After some hours at work I was able to boot back to the bootloader and flash the images individually.
TL;DR at the bottom.
Hi, I've been rooting and ROMming for a while now, and last night I made a mistake that set forth a chain of depressing events. I have a N7 2013 LTE, and was running AOKP up until last night. I wanted to flash the 9001 L preview, despite having no access to data. Simple right? Wrong, you forget to realize I'm a tired idiot last night. I downloaded the zip no problem, rebooted to TWRP and commenced my advanced wipe. Some how, I mistakenly checked off "wipe internal storage" during the process. So I go back to the Install screen, and my heart sinks. F***. At this point I decide to let it lie in recovery until tomorrow (today) and keep it charged.
Fast forward to this morning, I'm at the office. My device is charged and waiting in recovery. I decide I'm just going to flash the factory image to stock 4.4 and start with a clean slate, wiping all (even though it's wiped). Reason for factory image and not just adb push the ROM is that I'm having a seemingly-unsolvable issue of incorrect storage. It tells me my 32gb device only has 11.6 gb total storage. This has persisted through multiple clean-wiped installs of various ROMs, but I don't know if it started out like that when I bought it, since I didn't think to check before unlocking and putting a ROM on it.
So I get the SDK and images on my work PC, and commence flash-all.bat. Working great until it gets to system.img, then it fails. Try again twice, same thing. Open the image zip and extract the files, then try to flash one by one, now it's saying the commands are invalid (fastboot flash system system.img, etc). So I wonder, because sometimes these devices are wonky in ADB, maybe it installed and just said it failed? F*** it, I'll try to boot. Google logo for an hour. Ok, cool, I'll go back to the bootloader. NOPE. The device either won't power on at all, or it will get stuck at the splash screen and hang there. Any idea where to begin to fix this?
TL;DR: No OS on phone, failed flashing system.img in flash-all.bat, now device won't boot to bootloader or (missing) OS. Any ideas?

[help] [oneplus3] [stuck in boot logo] [softbricked] cannot boot into system [solved]

Hey boss., after flashing open beta 12, the phone started hanging now and then. I tried to contact oneplus forums and they asked me to send the log files. Since they took too long to respond, I went to oneplus service centre. They flashed my phone with old oxygen os and the phone didn't start. It went into bootloop
Then I asked them, they said motherboard is corrupted. I left the place and I requested online customer support from oneplus. They too flshed and concluded the same. Can I know whether flashing/sideloading openbeta created this issue? If so, can you provide me support to avail the warranty on the phone? or recover it via any other method or process?
Please respond as soon as possible. My communication with the world has become limited after this issue. I hope there is some sort of support.
Also note that, the phone can boot into fastboot mode, but bootloader is locked. It can boot into recovery. I tried wiping everything, but the phone is not rebooting.
When I start the phone, it stucks in the boot logo and after a while, the screen becomes blank and a white color notification LED is glowing.
Kindly help me.
i had the same issue last week after updating to 13..and i tried to flash the black theme..it went black..i had nothing....it was like it was bricked... here's how after many failed attempt's..i had to clean out all files including backups.wipe data i had to wipe system i had to clean out all previous files.from TWRP recovery.then i had to download the latest software release then put the zip file in my phone storage not in the download file ..then i had to flash stock recovery.then install the new system..and i made the mistake of trying to use some of my app backups like for one estrong file ..all of them were corrupt.so start fresh.
You might try this unbricking method:
https://forums.oneplus.net/threads/guide-mega-unbrick-guide-for-a-hard-bricked-oneplus-3.452634/
Though your device isn't hard-bricked, this would reset your device to the absolute factory settings (watch out, your data will be erased) on an older OxygenOS version.
I would recommend the 2nd Method, as it restores all partitions to factory settings.
I might also know where your issue came from:
Though you can flash the Open Beta (or any other ZIP from OnePlus) through the Stock Recovery, OnePlus states that you need to be on an unlocked bootloader for not bricking your device.
TimSchumi said:
You might try this unbricking method:
https://forums.oneplus.net/threads/guide-mega-unbrick-guide-for-a-hard-bricked-oneplus-3.452634/
Though your device isn't hard-bricked, this would reset your device to the absolute factory settings (watch out, your data will be erased) on an older OxygenOS version.
I would recommend the 2nd Method, as it restores all partitions to factory settings.
I might also know where your issue came from:
Though you can flash the Open Beta (or any other ZIP from OnePlus) through the Stock Recovery, OnePlus states that you need to be on an unlocked bootloader for not bricking your device.
Click to expand...
Click to collapse
It worked, but no network connection or wifi connection!
Is there a way to bring them back?
SivaMaxwell said:
It worked, but no network connection or wifi connection!
Is there a way to bring them back?
Click to expand...
Click to collapse
You might try to unlock your bootloader (There are giudes to do this) and flash a OxygenOS package from oneplus.net through the stock recovery, to ensure the firmware is OK (Do a factory reset from recovery!). I don't know if the Unbrick Tool only restores corrupted partitions or all. It might have installed the wrong system over your previously installed firmware if only corrupted partitions are restored. Keep the bootloader unlocked to be on the safe side (After some time you will be able to just ignore the boot message and you have better access to fastboot and recovery)!
Also, GG to OnePlus for (fake) Motherboard corruption!
About warranty:
Warranty should be ok as long as you won't do hardware modifications (I think).
Bootloader unlocking is definitely safe
TimSchumi said:
You might try to unlock your bootloader (There are giudes to do this) and flash a OxygenOS package from oneplus.net through the stock recovery, to ensure the firmware is OK (Do a factory reset from recovery!). I don't know if the Unbrick Tool only restores corrupted partitions or all. It might have installed the wrong system over your previously installed firmware if only corrupted partitions are restored. Keep the bootloader unlocked to be on the safe side (After some time you will be able to just ignore the boot message and you have better access to fastboot and recovery)!
Also, GG to OnePlus for (fake) Motherboard corruption!
About warranty:
Warranty should be ok as long as you won't do hardware modifications (I think).
Bootloader unlocking is definitely safe
Click to expand...
Click to collapse
I tried to update to recent oxygen os. Then the original proble started again.
It is not booting up, again..
SivaMaxwell said:
I tried to update to recent oxygen os. Then the original proble started again.
It is not booting up, again..
Click to expand...
Click to collapse
No, reflash the OxygenOS package of the same Version that is installed by the Unbrick Tool (If you can still get itfrom oneplus.net) and then check if Network does work. Also, check your IMEI.
I think you might have a corrupted EFS partition. That's y you don't have a working network. Check whether your device show a IMEI under about phone.
m4manusraj said:
I think you might have a corrupted EFS partition. That's y you don't have a working network. Check whether your device show a IMEI under about phone.
Click to expand...
Click to collapse
EFS doesn't have an effect on WiFi.
That's why I think that it is a firmware issue
I think, I have solved it guys. I'll let you know once completely under control
So, Thank you very much for your support. With this little support from you and my previous Foresightedness helped me restore the phone.
So just in case if any one else faces the same or similar problem, this is the process:
STEP0: If there is any partition corrupted, the device don't boot properly. And, The customer care/ sevice centre guys state it as motherboard problem. Donot Panic. Always take TWRP backup whenever you change your ROM. This Backup helps you to restore whenever you're in trouble. In this particular case, ESF backup is required. So, take a complete backup (everything) in TWRP, it saves your ass.. keep the backup in your PC or any safe Storage (the complete TWRP Folder which is in Internal Memory) before flashing any custom ROM.
Step1: Follow method2 in this guide: https://forums.oneplus.net/threads/g...plus-3.452634/
Step2: if everything is alright, its done. Otherwise, The device boots up with some missing features and details. At this time, you have to unlock the bootloader. See The forum to know how to do it. Basic searching can give you the method.
If you can transfer the TWRP folder from PC to Phone, it's good. But the phone boots itself because of missing firmware. Even Bluetooth couldn;'t be used.
In my particular case, I couldnot copy from PC to mobile or viceversa. So, you cannot copy back your TWRP folder in this situation.
So, Unlock bootloader. Then reboot to system (without doing anything)
Step3: Reboot to bootloader and flash TWRP 3-0.2 version only. otherwise device will be encrypted.
Step4: download Ressurection Remix ROM version : ResurrectionRemix-M-v5.7.4-20161113-PUBLIC-ex-oneplus3 or you can experiment with any other custom ROM but only android 6 (*Marshmallow). Also make sure that you have universal adb drivers. install them if not (search in the forums.)
Step5: goto TWRP recovery, in this, goto wipe option. Drag the swipe to wipe button here. (normal wipe).
Step6: Now, in advanced options, select adb sideload option and select the two wipes in the next menu. Start ADB sideload in the TWRP.
Step7: Now, Start the adb sideloading the custom ROM from your PC. You donot Require Gapps for transferring a file. So donot flash Gapps.
Step8: After the sideload is complete, reboot into system. Now you can transfer files between phone and PC. Now, Copy the Complete TWRP folder into the internal memory. A pop-up asks for merging the folders. Allow the merging, even if you have another TWRP backup there. They don't overlap.
Step9: Now, Boot into TWRP and restore completely. The phone boots up properly, this time. Everything works as expected. every mysterious problem is solved. Now you will get update request if you are on previous version of OOS.
Last but not Least: Please do not use any app recovery tools. they may cause issues while following the above steps
Thank to every XDA member, helping us save the time and money we spend at service center.
m4manusraj said:
I think you might have a corrupted EFS partition. That's y you don't have a working network. Check whether your device show a IMEI under about phone.
Click to expand...
Click to collapse
TimSchumi said:
EFS doesn't have an effect on WiFi.
That's why I think that it is a firmware issue
Click to expand...
Click to collapse
Yes, boss. The EFS is corrupted. But, thanks to TWRP, it also has the option to backup EFS, modem. SO, I used my old backup from Jan2017 to restore it back.
But, TO place TWRP back in phone, the original OOS3.1.2, even after reflashing didn't support. I thought for a while and flashed the All loved RR (MM) . THen, it gave me the scope to t/f the folder to internal memory.
Now, I restored the EFS , Modem, sytem with data. and hell yea!! the phone is back to life.
Complete Backup, Atleast once for 3 months saves your ass..
I am glad it helped. That's the power of Xda.
My OP3 is stuck on the boot animation only while booting up Oxygen OS. At first I thought it was bricked but as I proceeded I found out that it isn't and i'm able to boot other OS on it. I've had Resurrection Remix which I had no problems flashing whatsoever. But I'm having this problem with Oxygen OS. Has anyone experienced this? What do I do? Please help.

[HELP] My Zenfone 2 (ZE551ML 4GB) dilemma

My Zenfone 2 (ZE551ML 4GB) dilemma:
*•*I unlocked the bootloader with the official bootloader app
*•*I flashed the latest TWRP via adb. In the recovery screen, I saw an android showing error. That's when the panic started.
*•*I Then I rooted my phone with the one click Zenfone root application (available in XDA)
*•*I installed the official TWRP manager from the playstore and flashed with it. That also didn't solve my problem. Actually, a new problem set in. The phone started bootlooping IN RECOVERY.
*•*I rebooted the phone and then flashed an old version of TWRP for my phone. That solved the problem.
*•*Now, I wanted to flash Lineage OS in my phone. According to a YouTube tutorial, I copied my required files (the custom ROM and OpenGAPPS) to my Micro SD and then from twrp's advanced wipe, deleted everything except for Micro SD. I know that was an extremely stupid move but please bear with me.
*•*Deleting everything made things hundred times worse. It seemed impossible to get the phone into recovery mode again. But after a long time, I did.
*•*Now onto flashing the new ROM. I did a factory reset with twrp and then flashed the ROM and immediately got Error 7. By googling a bit, I found that the only way to solve this problem was by deleting the assert lines from the updater-script in meta/com/google/android inside the ROM.
*•* When I reflashed it, the process completed but it showed an error: (E:unknown command [log])
*•* Then I overlooked it again as a quick google said it didn't matter. Then I successfully flashed OpenGAPPS. I rebooted my phone and it kept bootlooping until it was back in the recovery screen. Weird right?
*•*I didn't seem to find any workaround so I decided to restore stock ROM. I downloaded it and flashed it. It succeeded. I rebooted my phone. And. .
*•*My phone now vibrates when I power on the phone and then it shows a black screen. It reboots automatically. I know it does as the phone vibrated periodically after the reboot
*•* I also can't go into the bootloader menu. My phone seems dead but I really need to revive it. I can't afford a new phone. Could you guys help me out please?
LethalHoe said:
My Zenfone 2 (ZE551ML 4GB) dilemma:
*•*I unlocked the bootloader with the official bootloader app
*•*I flashed the latest TWRP via adb. In the recovery screen, I saw an android showing error. That's when the panic started.
*•*I Then I rooted my phone with the one click Zenfone root application (available in XDA)
*•*I installed the official TWRP manager from the playstore and flashed with it. That also didn't solve my problem. Actually, a new problem set in. The phone started bootlooping IN RECOVERY.
*•*I rebooted the phone and then flashed an old version of TWRP for my phone. That solved the problem.
*•*Now, I wanted to flash Lineage OS in my phone. According to a YouTube tutorial, I copied my required files (the custom ROM and OpenGAPPS) to my Micro SD and then from twrp's advanced wipe, deleted everything except for Micro SD. I know that was an extremely stupid move but please bear with me.
*•*Deleting everything made things hundred times worse. It seemed impossible to get the phone into recovery mode again. But after a long time, I did.
*•*Now onto flashing the new ROM. I did a factory reset with twrp and then flashed the ROM and immediately got Error 7. By googling a bit, I found that the only way to solve this problem was by deleting the assert lines from the updater-script in meta/com/google/android inside the ROM.
*•* When I reflashed it, the process completed but it showed an error: (E:unknown command [log])
*•* Then I overlooked it again as a quick google said it didn't matter. Then I successfully flashed OpenGAPPS. I rebooted my phone and it kept bootlooping until it was back in the recovery screen. Weird right?
*•*I didn't seem to find any workaround so I decided to restore stock ROM. I downloaded it and flashed it. It succeeded. I rebooted my phone. And. .
*•*My phone now vibrates when I power on the phone and then it shows a black screen. It reboots automatically. I know it does as the phone vibrated periodically after the reboot
*•* I also can't go into the bootloader menu. My phone seems dead but I really need to revive it. I can't afford a new phone. Could you guys help me out please?
Click to expand...
Click to collapse
Did you flash the MM bootloader compatible TWRP mentioned in the OP for LineageOS? That solves error 7.
Ragarianok said:
Did you flash the MM bootloader compatible TWRP mentioned in the OP for LineageOS? That solves error 7.
Click to expand...
Click to collapse
I did not do that. I remembered all the steps but forgot that. That is the primary cause of my problem. Anyway to solve it?
LethalHoe said:
My Zenfone 2 (ZE551ML 4GB) dilemma:
*•*I unlocked the bootloader with the official bootloader app
*•*I flashed the latest TWRP via adb. In the recovery screen, I saw an android showing error. That's when the panic started.
*•*I Then I rooted my phone with the one click Zenfone root application (available in XDA)
*•*I installed the official TWRP manager from the playstore and flashed with it. That also didn't solve my problem. Actually, a new problem set in. The phone started bootlooping IN RECOVERY.
*•*I rebooted the phone and then flashed an old version of TWRP for my phone. That solved the problem.
*•*Now, I wanted to flash Lineage OS in my phone. According to a YouTube tutorial, I copied my required files (the custom ROM and OpenGAPPS) to my Micro SD and then from twrp's advanced wipe, deleted everything except for Micro SD. I know that was an extremely stupid move but please bear with me.
*•*Deleting everything made things hundred times worse. It seemed impossible to get the phone into recovery mode again. But after a long time, I did.
*•*Now onto flashing the new ROM. I did a factory reset with twrp and then flashed the ROM and immediately got Error 7. By googling a bit, I found that the only way to solve this problem was by deleting the assert lines from the updater-script in meta/com/google/android inside the ROM.
*•* When I reflashed it, the process completed but it showed an error: (E:unknown command [log])
*•* Then I overlooked it again as a quick google said it didn't matter. Then I successfully flashed OpenGAPPS. I rebooted my phone and it kept bootlooping until it was back in the recovery screen. Weird right?
*•*I didn't seem to find any workaround so I decided to restore stock ROM. I downloaded it and flashed it. It succeeded. I rebooted my phone. And. .
*•*My phone now vibrates when I power on the phone and then it shows a black screen. It reboots automatically. I know it does as the phone vibrated periodically after the reboot
*•* I also can't go into the bootloader menu. My phone seems dead but I really need to revive it. I can't afford a new phone. Could you guys help me out please?
Click to expand...
Click to collapse
xfstk is the only way. go to following thread and do as suggested. one advice when you get into bootloader. flash raw without AFT. that is best.
https://forum.xda-developers.com/zenfone2/help/thead-bricked-phone-updating-to-mm-tips-t3452785

various issues with google variant

I've had Google phones for years now, including previous Pixel, but I just got an XL 2 yesterday and I'm regretting it.
It's Google unlocked and running June's latest image. I've experienced various app crashing on stock, and random reboots.
Then there's the rooting and flashing. I unlocked the bootloader and installed the most recent, twrp (the one verified to work on xda for roms) but can't flash anything.
My twrp either hangs on the twrp start screen, or when it does load, the touch screen doesn't work. When I can get it going, every rom I flash gives me an error on the second step. I'm flashing on slot B by the way, that's what boots up when I boot to twrp.
Lastly, I am unlocked both for flashing and flashing_critical thru adb, so I'm at a loss and seriously confused.
When I FIRST unlocked everything, I was able to flash Nitrogen rom but I got stuck at the rom splash screen.
Tldr:
-What is the Correct install method/sequence for roms?
-do the slots matter?
-is random reboots and app crashing on stock a sign of a hardware issue?
I haven't installed a custom ROM on my P2XL, so I'm running rooted stock. Anyway, for rooted stock, this is what I did.
Entered bootloader mode.
Booted into recovery using the command "fastboot boot recovery.img", where "recovery.img" is the TWRP recovery iteslf. In my case, I renamed it "taimen.img".
Flashed the TWRP installer zip needed for the P2XL (Required if intending to replace the stock recovery).
Rebooted into recovery.
Flashed a custom kernel (Recommended - resolves touch issues in TWRP).
Flashed Magisk.
6. Rebooted.
If installing a custom ROM, flash it prior to the custom kernel. Slots only matter if running stock. Random reboots and app crashes are not signs of a hardware issue.
stevew84 said:
I've had Google phones for years now, including previous Pixel, but I just got an XL 2 yesterday and I'm regretting it.
It's Google unlocked and running June's latest image. I've experienced various app crashing on stock, and random reboots.
Then there's the rooting and flashing. I unlocked the bootloader and installed the most recent, twrp (the one verified to work on xda for roms) but can't flash anything.
My twrp either hangs on the twrp start screen, or when it does load, the touch screen doesn't work. When I can get it going, every rom I flash gives me an error on the second step. I'm flashing on slot B by the way, that's what boots up when I boot to twrp.
Lastly, I am unlocked both for flashing and flashing_critical thru adb, so I'm at a loss and seriously confused.
When I FIRST unlocked everything, I was able to flash Nitrogen rom but I got stuck at the rom splash screen.
Tldr:
-What is the Correct install method/sequence for roms?
-do the slots matter?
-is random reboots and app crashing on stock a sign of a hardware issue?
Click to expand...
Click to collapse
Ya know my friend, after our conversation yesterday, and your questions in the nitrogen thread, and now random reboots and app crashes, I think it's time to consider a factory reset. You shouldn't be having those problems on a stock setup. If that's not successful, then I would definitely consider an RMA. Just my 2 cents worth :good:
I agree. I got it used tho which is an issue.
Badger50 said:
Ya know my friend, after our conversation yesterday, and your questions in the nitrogen thread, and now random reboots and app crashes, I think it's time to consider a factory reset. You shouldn't be having those problems on a stock setup. If that's not successful, then I would definitely consider an RMA. Just my 2 cents worth :good:
Click to expand...
Click to collapse
Just so you know, I got the rom to flash finally, but it's stuck at the rom splash screen during first boot. I'm going to leave it and hope it eventually boots up.
stevew84 said:
Just so you know, I got the rom to flash finally, but it's stuck at the rom splash screen during first boot. I'm going to leave it and hope it eventually boots up.
Click to expand...
Click to collapse
If it doesn't after 5 minutes, do a hard restart with the power button. If that doesn't work, then reboot to twrp and flash the rom and twrp installer zip again.
Ok cool thanks. I relocked bootloader last night and went back to stock. Unlocked it all this morning from my work computer and different unlock app. So here's hoping.
Badger50 said:
If it doesn't after 5 minutes, do a hard restart with the power button. If that doesn't work, then reboot to twrp and flash the rom and twrp installer zip again.
Click to expand...
Click to collapse
I finally got everything to work. My vendor image is a mismatch but I could just flash junes and be done with it, right?
stevew84 said:
I finally got everything to work. My vendor image is a mismatch but I could just flash junes and be done with it, right?
Click to expand...
Click to collapse
What did you do to get it to work? You could just flash the June vendor.img to both slots. If you keep getting a vendor mismatch, probably nothing to worry about according to the Dev of nitrogen.
Different machine, cable and unlocking tool.
But I went to bone stock with locked bootloader, then flashed the newest twrp with the newest all in one tool. Was on slot A so wiped everything and flashed rom plus twrp again. I rebooted system to slot B, but then it just hung at the rom splash screen.
So I did it all over on slot A, ignored the "no os installed" message and booted anyway. Then it fired up. Rebooting into twrp from there took me to B, which is where I need to be for an image file or root.
So yea, thanks for the help.
I'm having this issue also. I tried flashing nitrogen, it hung. I tried to go back with factory reset Img and nothing happens in adb. Flashed the may img and it wouldn't boot all the way up. Now I'm stuck in bootloader trying to figure this all out. Seems like nothing in doing is working. I can get recovery to boot, but no files inside so idk. Tried to sideloadb nitrogen, but it said adb out of date for device when sdk is fully updated.
MatthewRobinson said:
I'm having this issue also. I tried flashing nitrogen, it hung. I tried to go back with factory reset Img and nothing happens in adb. Flashed the may img and it wouldn't boot all the way up. Now I'm stuck in bootloader trying to figure this all out. Seems like nothing in doing is working. I can get recovery to boot, but no files inside so idk. Tried to sideloadb nitrogen, but it said adb out of date for device when sdk is fully updated.
Click to expand...
Click to collapse
You didn't mention the out of date message in your other post, but uninstall SDK and then download the stand-alone adb/fastboot binaries from May of this year. Dump that in a folder (eg. c:\adb) and put that folder in your path statement. Manually flash the full factory image without modifying flash-all.bat. Post your screeen if you have any errors. :good:
stevew84 said:
I agree. I got it used tho which is an issue.
Click to expand...
Click to collapse
Google knows the date the phone was purchased based on imei number and honors their warranty by date, not owner. Unless it was blacklisted.
smartymcfly said:
Google knows the date the phone was purchased based on imei number and honors their warranty based on that.
Click to expand...
Click to collapse
Thanks. I might try to take advantage.

G4 only boots to TWRP

I recently dug out my old G4 to see if I can repurpose it for anything or just have it as a back up.
It's an H815 European variant with unlocked bootloader. When I last used it I had it running a custom ROM but when I got a new phone I wiped it somehow with TWRP (this is a few years ago so I can't remember).
Now whenever I turn it on, it boots into TWRP. If from TWRP I choose reboot to system, it boots to TWRP.
I tried to install a ROM but it wouldn't, giving the error "this ROM is for P1,G4,H815 (or something like that), your device is .".
So, I edited the ROM metadata and took out the device requirements and it installed fine, as did GAPPs & SuperSU, but still it only boots to TWRP. I've flashed bootloaders, kernels, god knows what else, but it only boots to TWRP. That's it.
I also tried to return it to stock using these: https://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848 but it had errors connecting to servers and never installed anything.
I'm aware that I won't be able to recover anything on the device and that's fine! I just want to boot it with ANY ROM, and I'd be grateful for any help! Thanks!
mrmrchoice said:
I recently dug out my old G4 to see if I can repurpose it for anything or just have it as a back up.
It's an H815 European variant with unlocked bootloader. When I last used it I had it running a custom ROM but when I got a new phone I wiped it somehow with TWRP (this is a few years ago so I can't remember).
Now whenever I turn it on, it boots into TWRP. If from TWRP I choose reboot to system, it boots to TWRP.
I tried to install a ROM but it wouldn't, giving the error "this ROM is for P1,G4,H815 (or something like that), your device is .".
So, I edited the ROM metadata and took out the device requirements and it installed fine, as did GAPPs & SuperSU, but still it only boots to TWRP. I've flashed bootloaders, kernels, god knows what else, but it only boots to TWRP. That's it.
I also tried to return it to stock using these: https://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848 but it had errors connecting to servers and never installed anything.
I'm aware that I won't be able to recover anything on the device and that's fine! I just want to boot it with ANY ROM, and I'd be grateful for any help! Thanks!
Click to expand...
Click to collapse
Go to thw official TWRP thread and flash the latest preview TWRP version.
Sent from my OnePlus 6T using XDA Labs
Try latest rom and one by one different rom. It's rom related issue. Don't worry, it'll be okay.

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