G3 Is will be stuck in a BOOTLOOP. - G3 Q&A, Help & Troubleshooting

So I now have a G5. I am gonna sell off my G3 now but the only thing is i set it all back to stock but now its stuck in a bootloop. It will get onto the lock screen but within a second it will reboot and will be stuck in a bootloop. Is there ANY solutions out there because I no longer need this phone anymore as i have a G5.

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Weird bootloop

I have a bootloop on my LG G4 H815, it constanlty turns off and on again on the LG logo screen. It sometimes works after flashing stock back onto it or using LG Bridge but then crashes and gets stuck in a loop again. So its not fully bootlooped but still is. Anybody know how to fix it as i really dont want to buy a new phone
Nand corruption. Use warranty

LG G4 stuck in a different kind of boot loop.

So I have an, I beleive korean h815, I have been rooted for a couple weeks now, nothing else done to the phone. Today all of the sudden it stays on the LG splash screen. Very occasionally it'll start up and say "android is updating" but then it reboots the splash again. Is there a way I can just wipe everything and start like from factory again? I've tried the factory reset from the power+volume screen, I got to that screen, but it didn't do anything.
correction, it says twn on the box, so i'm guessing it's taiwan.
I found the thread on using LGUP to install kdz's. Went with the 20c kdz. Phone went to restart and it's just sitting on the screen that says LG. No animation or anything. Someone please help.
I had to buy am LG g stylo to get me by. I really want to fix my g4 and return this thing.
Sent from my LG-H631 using Tapatalk
Nickdroid86 said:
So I have an, I beleive korean h815, I have been rooted for a couple weeks now, nothing else done to the phone. Today all of the sudden it stays on the LG splash screen. Very occasionally it'll start up and say "android is updating" but then it reboots the splash again. Is there a way I can just wipe everything and start like from factory again? I've tried the factory reset from the power+volume screen, I got to that screen, but it didn't do anything.
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Can you tell us your android version? I think i have exactly the same issue which is quite annoying.
Each night i put my phone in the power plug with flight mode ON. In the morning, when i remove the flight mode , the phone restarts and falls into bootloop. Happened 3 times exactly the same way. I went for PCB replacement the previous week and i got a PCB starting with ser. No 601xxx. Today morning when i removed the flight mode i got a bootloop again. I am sure that this is caused by the V20D version that i installed the last days.... LG messed up again...i have a bootloop each week..
Not sure. But this is staying on this screen, it doesn't restart and stay on.
Sent from my LG-H631 using Tapatalk

LG G4 H811, crashed and bricked?

Hello to all of you who's reading, I ask for help from all of the skillful and knowledgeable folk in this wonderful community, I have a LG G4 phone that ran on CM.13, everything was running fine up until two days ago, phone just froze for a minute, nothing was responding, it crashed and LG logo came on, attempting to power on, but 10-15 seconds later it goes blank and lights up LG logo again... Now I've tried getting into TWRP but factory data reset msg comes up, after hitting yes and yes screen lingers frozen for another half a minute until LG logo shows up. I can get into download mode and tried flashing a stock image with LG Flash Tool 2014, it looked like it went through successfully but ends up doing the same thing... loops without ceasing. Do any of you have any idea what is going on and how can I get it fixed? Thanks for reading!!

Black screen after LG boot screen

Hi,
Today while browsing my stock LG g4 (h815) suddenly rebooted. It showed the LG boot screen for a while but then ended up with a black screen. The power button does nothing. If I remove and insert the battery the power button works again, but I get the same result.
I can boot to (stock) recovery OK and if I connect it to a pc it shows 100% charge. I tried using recovery to reset everything but no change.
I am on holiday so can't easily send it in for repairs. Any ideas? I do have a Windows tablet pc with me with ADB on it.
Search "bootloop" in G4 forum.
Warranty is the only solution.
But this is not a boot loop? It seems to boot normally and then goes to a black screen, it doesn't reboot. I direct about the boot loop but from the videos I could find it looked like it kept booting.
I guess I was wrong trying to start it today it boot looped a few times before the black screen. Guess I will try disabling the big cores so that I will at least have a phone until I get home.

LG G4 Stuck in Bootloop/Fastboot/Secure boot hell

Trying to get a friend's G4 working again, but this thing is baffling me. When he handed it to me, it was stuck on the LG boot screen. Took out the battery and it wouldn't do anything for a while. Eventually got it to boot and stick on the LG screen again. Got it in fastboot, but no options there and future reboots went straight into fastboot. Tried factory reset, but get a secure booting error (1006) and it bootloops for a while, then back to fastboot. Fastboot screen says secure boot is disabled and lock state is locked. Tried to adb, but looks like debugging isn't enabled.
I'm lost. What options do I have?

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