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Hi,
Recently my brother gave up on his G-Nexus due to some complications that I soon discover. After he gave up reviving his phone, I took the liberty to try to ''revive'' his phone and found the same frustration that plague my brother.
Here's the thing:
1. I reflashed STOCK ROM + UNROOT. (tried 4.0.4/ 4.2.2/ 4.3. No success)
2. the phone is unable to BOOT, just BOOT LOOPs.
3. CAN boot into FASTBOOT.
4. unable to enter STOCK RECOVERY. (or in any rare case I could, cleared data, but bootloop persists).
5. fastboot flashed recovery TWRP and CWM , cleared data, reboot, and bootloop persist.
I'm out of option. I've googled for hours and nothing seems to help. Hoping the members here could provide assistance.
I've sent the phone for a troubleshoot, and the man told me it was the motherboard that was the case.
The thing with this is that I've flashed different stock ROMS and wasn't able to boot, not one successful boot.
My theory is that I've had a corrupted NAND?
Could anyone help me?
Thanks in advance.
blooddoom said:
Hi,
Recently my brother gave up on his G-Nexus due to some complications that I soon discover. After he gave up reviving his phone, I took the liberty to try to ''revive'' his phone and found the same frustration that plague my brother.
Here's the thing:
1. I reflashed STOCK ROM + UNROOT. (tried 4.0.4/ 4.2.2/ 4.3. No success)
2. the phone is unable to BOOT, just BOOT LOOPs.
3. CAN boot into FASTBOOT.
4. unable to enter STOCK RECOVERY. (or in any rare case I could, cleared data, but bootloop persists).
5. fastboot flashed recovery TWRP and CWM , cleared data, reboot, and bootloop persist.
I'm out of option. I've googled for hours and nothing seems to help. Hoping the members here could provide assistance.
I've sent the phone for a troubleshoot, and the man told me it was the motherboard that was the case.
The thing with this is that I've flashed different stock ROMS and wasn't able to boot, not one successful boot.
My theory is that I've had a corrupted NAND?
Could anyone help me?
Thanks in advance.
Click to expand...
Click to collapse
If you've flashed the phone back to stock and it still won't boot then there's probably nothing you can do. Time for a new phone.
Hello,
I've been using my device normally, when all of a sudden it froze and shut itself down. I've tried booting it up multiple times, but it wouldn't do. I thought that it might be up to the battery, so I've gotten a new one, but it's not up to it.
However, I've been able to enter TWRP Recovery. I thought that wiping data, cache and dalvik would help me get rid of my problems, but it didn't. Obviously, I can't mount anything, because everything seems to be encrypted. I wanted to flash another ROM, but I can't do so without connecting the storage with my PC. Now I'm cluelessly stuck in the Recovery.
Can anyone help me? I'd be very grateful if so. I might have made a foolish mistake somewhere, so please don't get harsh on me. The custom rom I've been using is CandySix
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
Hi people,
Today I unlocked my Lenovo ZUK Z2 Plus and installed latest twrp recovery 3.3.1 successfully(no errors until now, butter smooth). After that I flashed "CARBON-CR-7.0-OPAL-RELEASE-z2_plus-20200122-0608" without installing GApps. This time the ROM booted successfully. I was able to use the phone and make calls.
Then I installed the GApps " open_gapps-arm64-9.0-stock-20200131.zip" downloaded from OpenGApps.org. This time around, when I booted after installing GApps, the phone showed the welcome screen, but got suddenly turned off. After that the phone just shows ZUK logo and keeps rebooting.
To fix this, I went to recovery again, wiped clean DATA & DALVIK CACHE & CACHE & SYSTEM & VENDOR partitions, hoping I would start from the beginning and again install only ROM and not GApps and hoping I would be able to use the phone.
Now this time around, even though I wiped every partition that TWRP shows, the phone just kept rebooting without starting Android OS. So I cleaned again everything using TWRP(cleaning DATA procedure) and then transferred ROM zip files to phone and again flashed only ROM. Still the phone kept rebooting.
Now I got pissed off. I flashed factory ROM using QFIL method. This time after the boot animation it went straight to "Shutting Down" dialogue and again the phone restarted.
CAN SOMEBODY TELL ME WHAT THE HELL IS EXACTLY WRONG WITH MY PHONE?
WHAT COULD HAVE GONE WRONG THAT EVEN AFTER CLEANING ALL THE PARTITIONS AND FLASHING USING THE FACTORY PROCEDURE, THE PHONE STILL KEEPS REBOOTING?
Is there any other partition that needs to be cleared(which the TWRP does not list)?
Can somebody just tell me how to get out of this?
(Please explain the steps and the reason for each, as I am a noob in this matter).
WAITING FOR ANYBODY'S PROMPT RESPONSE AS MY PHONE IS COMPLETELY UNUSABLE. THANKS IN ADVANCE.
what ZUI version you flashed with QFIL ?
AndroidUser5 said:
Hi people,
Today I unlocked my Lenovo ZUK Z2 Plus and installed latest twrp recovery 3.3.1 successfully(no errors until now, butter smooth). After that I flashed "CARBON-CR-7.0-OPAL-RELEASE-z2_plus-20200122-0608" without installing GApps. This time the ROM booted successfully. I was able to use the phone and make calls.
Then I installed the GApps " open_gapps-arm64-9.0-stock-20200131.zip" downloaded from OpenGApps.org. This time around, when I booted after installing GApps, the phone showed the welcome screen, but got suddenly turned off. After that the phone just shows ZUK logo and keeps rebooting.
To fix this, I went to recovery again, wiped clean DATA & DALVIK CACHE & CACHE & SYSTEM & VENDOR partitions, hoping I would start from the beginning and again install only ROM and not GApps and hoping I would be able to use the phone.
Now this time around, even though I wiped every partition that TWRP shows, the phone just kept rebooting without starting Android OS. So I cleaned again everything using TWRP(cleaning DATA procedure) and then transferred ROM zip files to phone and again flashed only ROM. Still the phone kept rebooting.
Now I got pissed off. I flashed factory ROM using QFIL method. This time after the boot animation it went straight to "Shutting Down" dialogue and again the phone restarted.
CAN SOMEBODY TELL ME WHAT THE HELL IS EXACTLY WRONG WITH MY PHONE?
WHAT COULD HAVE GONE WRONG THAT EVEN AFTER CLEANING ALL THE PARTITIONS AND FLASHING USING THE FACTORY PROCEDURE, THE PHONE STILL KEEPS REBOOTING?
Is there any other partition that needs to be cleared(which the TWRP does not list)?
Can somebody just tell me how to get out of this?
(Please explain the steps and the reason for each, as I am a noob in this matter).
WAITING FOR ANYBODY'S PROMPT RESPONSE AS MY PHONE IS COMPLETELY UNUSABLE. THANKS IN ADVANCE.
Click to expand...
Click to collapse
Greetings buddy,
For my interest, i would like to know that the carbon rom u flashed was based on Android 9 or Android 10????
arielcasari said:
what ZUI version you flashed with QFIL ?
Click to expand...
Click to collapse
zui 2.5 st which is meant for indian users.
Naresh Rawat said:
Greetings buddy,
For my interest, i would like to know that the carbon rom u flashed was based on Android 9 or Android 10????
Click to expand...
Click to collapse
android 9.0.
what could be the problem... what do you think?
AndroidUser5 said:
android 9.0.
what could be the problem... what do you think?
Click to expand...
Click to collapse
I m at job so i reply late. No offense please ???
Ok plz let me know that if ur device boots up to fastboot mode. If yes then repeat the whole process but this time try installing different twrp. U can also use (https://www.androidfilehost.com/?a=show&w=files&flid=38683) tool kit for flashing. (DO NOT TRY TO RELOCK BOOTLOADER USING THIS TOOL) Also use flame gapps.
Will catch u soon regarding ur issue.
Peace out n TY???
Naresh Rawat said:
I m at job so i reply late. No offense please
Ok plz let me know that if ur device boots up to fastboot mode. If yes then repeat the whole process but this time try installing different twrp. U can also use (https://www.androidfilehost.com/?a=show&w=files&flid=38683) tool kit for flashing. (DO NOT TRY TO RELOCK BOOTLOADER USING THIS TOOL) Also use flame gapps.
Will catch u soon regarding ur issue.
Peace out n TY
Click to expand...
Click to collapse
i have already tried using twrp 3.2, but no luck. I will try flame gapps and will let you know. i will try this coming saturday.
Dhanyavad.
Naresh Rawat said:
I m at job so i reply late. No offense please
Ok plz let me know that if ur device boots up to fastboot mode. If yes then repeat the whole process but this time try installing different twrp. U can also use (https://www.androidfilehost.com/?a=show&w=files&flid=38683) tool kit for flashing. (DO NOT TRY TO RELOCK BOOTLOADER USING THIS TOOL) Also use flame gapps.
Will catch u soon regarding ur issue.
Peace out n TY
Click to expand...
Click to collapse
I again flashed the Stock ZUI 2.5. ST ROM using QFIL. But before doing this I had moved the SIM Card to another fone, so this fone was without any connection. This time the fone booted up successfully. Then I reflashed the Carbon ROM mentioned before and flashed Flame GApps Basic edition as suggested by you. This time the fone booted up successfully. But as soon as I connected the fone to internet, it downloaded something from Google Play Services in the background and again it started the same problem.
SO BASICALLY WHEN IT DOWNLOADS SOMETHING FROM GOOGLE IN BACKGROUND, IT STARTS THE REBOOTING NONSENSE.
I searched the internet for this and some articles on the internet suggested that "Google Dialer" component is causing reboot. Those articles suggested that if the "Google Dialer" is not set as the default dialer, it reboots. BUT HOW TO SET IT AS DEFAULT, WHEN IT STARTS REBOOTING IMMEDIATELY AND IT DOES NOT GIVE ENOUGH TIME?
EVEN THE EARLIER GApps 9.0 stock package that I flashed had warned to set the "Google Dialer" as default, but upon boot up it kept rebooting.
Even initially I started this UNLOCKING AND CUSTOM ROM FLASHING exercise after the factory ROM started rebooting after updating "Google play services".
So this seems to me an issue from Google.
Has Google done this on purpose to make people switch older phones to new ones?(Because I own a total of 3 android devices and only this device is rebooting not the other ones).
Looking forward to your reply.
Greetings Buddy..how's life going??
Ok once again I hv read ur op regarding ur problems. Let's start from the beginning. Boot up to twrp and format the data first before wiping everything. Try flashing lineageOS 16 using official gapps. (Flash gapps along with the flashing ROM, same time. Because flashing gapps after ROM's 1st reboot may result synchronise error or sometime bootloop). If successful, then flash ur carbon ROM and see whether it boots up to normal or still gives such error.
BTW sorry for my late replies. Till then peace out
Naresh Rawat said:
Greetings Buddy..how's life going??
Ok once again I hv read ur op regarding ur problems. Let's start from the beginning. Boot up to twrp and format the data first before wiping everything. Try flashing lineageOS 16 using official gapps. (Flash gapps along with the flashing ROM, same time. Because flashing gapps after ROM's 1st reboot may result synchronise error or sometime bootloop). If successful, then flash ur carbon ROM and see whether it boots up to normal or still gives such error.
BTW sorry for my late replies. Till then peace out
Click to expand...
Click to collapse
I am now not able to boot any ROM. Just keeps rebooting after the ZUK splashscreen. Hence, I again reflashed the Recovery properly, using the procedure as before. Now I am not able to boot into the recivery, too.
Popping in to give some feedback as always with my stuff.
Last night while using lucky patcher something must have happened it didn't like because I lost my wallpaper and my call history, at that point I figured she needed a restart. This brought me too a boot that would crash 40 seconds later and boot into whatever it was explaining boot issues
I tried clearing cache in the stock recovery but that didn't help
So I wiped the system settings only
Phone restarted as a fresh phone and is running great! First thing I did was look for and launch majisk, it needed to install some stuff but the damn think came back fully rooted!!!
So if all else fails wipe system in factory recovery.
It saved me a good bit of time unlocking bootloader and all that jazz
Hope it helps someone else when they get to a loop
Merry Christmas all
Smittyzz said:
Popping in to give some feedback as always with my stuff.
Last night while using lucky patcher something must have happened it didn't like because I lost my wallpaper and my call history, at that point I figured she needed a restart. This brought me too a boot that would crash 40 seconds later and boot into whatever it was explaining boot issues
I tried clearing cache in the stock recovery but that didn't help
So I wiped the system settings only
Phone restarted as a fresh phone and is running great! First thing I did was look for and launch majisk, it needed to install some stuff but the damn think came back fully rooted!!!
So if all else fails wipe system in factory recovery.
It saved me a good bit of time unlocking bootloader and all that jazz
Hope it helps someone else when they get to a loop
Merry Christmas all
Click to expand...
Click to collapse
You can do a full Factory Reset and remain rooted. Since the boot.img is patched and flashed to your device. A full reset wont lock your bootloader too.
Only if you use MSM Tool or relock the bootloader manually (and flash a non rooted boot img beforehand) you relock your device.
xtcislove said:
You can do a full Factory Reset and remain rooted. Since the boot.img is patched and flashed to your device. A full reset wont lock your bootloader too.
Only if you use MSM Tool or relock the bootloader manually (and flash a non rooted boot img beforehand) you relock your device.
Click to expand...
Click to collapse
Good to know thank you
Merry Christmas