LG G3 D855 bootloop with "Kernel Crash" on Stock ROM - G3 Q&A, Help & Troubleshooting

[Q] Green-Screen Kernel Crash etc.
Hello guys,
I've a big problem. I got a LG G3 D855 16GB and I'm stuck in a boot loop. When it starts the LG logo is on the screen an then somethin like "Kernel Crash" or a green screen with "TZ crash" shows up. I tried 2 LG Flash Tools so far and it's almost the same. I get an error "Model information check failed!".
The Phone is completely on stock!
Don't know what to do, i searched in severel theards and couldn't find a solution to solve the problem.
Please help me!
Sent from my A0001 using XDA Free mobile app

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[Q] LG G3 security error

Just got the phone today and successfully rooted it and I wanted to see what this xposed framework stuff was about I installed the experimental version (tbh did really read it was experimental it was on the front page so I thought it was alright) and when prompt to reboot I did, but now when rebooting I can't get passed the Lg secruity error screen I tried re-flashing back to stock using this thread http://forum.xda-developers.com/showthread.php?t=2799647 but nothing happens after I plug my G3 back in it just says ready is there any other way to fix this security error?
edit:found out that my model number is actually the f400s (sorry i'm a phone noob) for anyone else out there trying to find your phone model it's actually behind the battery
Kebito said:
Just got the phone today and successfully rooted it and I wanted to see what this xposed framework stuff was about I installed the experimental version (tbh did really read it was experimental it was on the front page so I thought it was alright) and when prompt to reboot I did, but now when rebooting I can't get passed the Lg secruity error screen I tried re-flashing back to stock using this thread http://forum.xda-developers.com/showthread.php?t=2799647 but nothing happens after I plug my G3 back in it just says ready is there any other way to fix this security error?
edit:found out that my model number is actually the f400s (sorry i'm a phone noob) for anyone else out there trying to find your phone model it's actually behind the battery
Click to expand...
Click to collapse
do you have a picture of the error
suljo94 said:
do you have a picture of the error
Click to expand...
Click to collapse
Again I ended up resolving the issue myself and I do not have a picture of the error but I can describe it. When booting my lg g3 the normal big Lg logo appeared then after a bit a smaller lg logo appeared with the words "security error" under it for those looking for a solution to that problem the thread in the op is the correct action to take to resolve the issue. Note doing that wiped everything on my phone which was not a big deal for me but I had to take my phone back the the carrier to input the configuration to access 4g lte again & it unrooted my phone.
i have this same issue can you tell me how you got around it?
jerimynal wiley said:
i have this same issue can you tell me how you got around it?
Click to expand...
Click to collapse
jerimynal wiley the error you get "secure boot error" is caused by image you are trying to boot not being bumped or not properly flashed. I assume you get this error both while trying to access recovery and OS. If that is the case you should use this guide:
http://forum.xda-developers.com/showthread.php?t=2785089&nocache=1
to flash stock firmware on your device.
But if you have a case where you are able to access your recovery (TWRP I assume) you could use one of the custom images provided here: http://forum.xda-developers.com/lg-g3/development (assuming you have D855 version) . Flash them and use them as OS.
Thanks man. I actually could get into recovery so I just flashed another kernel
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Lg G3 Security Error
Hi everyone.. I have problem with my Lg G3... I rooted my phone and when i make TWRP Reccovery, phone doesnt work.. Its says " LG Seccurity Error" and i can't go into download mode or recovery mode.. And when i connect with USB on my PC, PC cant find this device.. Can anyone help me?
Maryanohr said:
Hi everyone.. I have problem with my Lg G3... I rooted my phone and when i make TWRP Reccovery, phone doesnt work.. Its says " LG Seccurity Error" and i can't go into download mode or recovery mode.. And when i connect with USB on my PC, PC cant find this device.. Can anyone help me?
Click to expand...
Click to collapse
Same here..

Lg G3 Still crashed and wont go past lg logo after using pc suite to return stock

Hey guys, my lg g3 has been having some issues lately, it started randomly turning of and on again back when i was running cm12 and i got so sick of it i tried to install another rom, after the rom installed the phone booted to the menu and then crashed and wont go past the lg logo without restarting. So i took some advice from mates and tried to use the lg mobile support tool to return it to stock after i have had so many issues trying to use the lg flash tool
The lg mobile support software installs a stock os, then the phone launches and gets to about the entering google play information then crashes and wont go past the lg logo. It stays on the lg logo for about 3 or 4 secs then turns of and repeats this cyle
anyone got any ideas?
What sort of issues have you been having when using the LG Flash Tool, and what ROM did you install after flashing CM12? Also what carrier version of the phone do you have?
Thanks for the reply, its a telstra lg d855k, after cm I think i tried to install cyanide rom. I have tried both lg flash tool and the modded one on the lg back to stock guide and the phone boots once and gets almost through the phone setup and then crashes and goes into the bootloop. Lg logo for a few secs then turns off and releats thjs cyle
Sent from my SM-N910G using XDA Free mobile app

Softbricked H815

Hello Guys, I hope you can help me.
Think I softbricked my h815, I can't enter recovery, it stays on first boot screen (with bootloader unlocked message)
Only possible think is to enter download mode, but lg up doesn't recognize my phone.
Any ideas what could solve this problem?
Thanks
Edit: managed to get lg up to work. Flashed a kdz multiple times but ist still won't get out of Bootloop :/
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LG G4 Boot Loop!!!!

My LG G4 just of a sudden screen froze so i restarted it and ever since it is stuck in a boot loop showing only the logo. So i as i read some solutions one of them was to do an hard factory reset but with no sucess.
As a second solution was to flash a new firmware but i don't know which exactly because i cant see my actual version in the android settings.
Can anyone help me save my phone please?
My LG model is H818P
(I also found this site but it says there are a lot of firmwares for my model H818P. Please someone redirect me to a correct one. If any other info is needed for the phone please say so. Thanks)
http://lg-phone-firmware.com/index.php?id_mod=195

Boot verification Failed - LG G3 D855 (16GB)

Hii, i have LG G3 D855 16GB and after i trying to Update android version the cell phone went out...
now i try to power on and he said: "Boot verification Failed"
and after that a red and blue light flickers at me...
and my lg dont get it Download Mode.
what i can do please ?
You have a hardbrick, try this
https://open-freax.fr/guide-unbrick-your-lg-g3/

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