Database Users

[Q] Lg G2 Brick Security Error Bootloop No recovery, No download, PC don't recognize

Hello everyone !
I have big troubles with my Lg g2 d802.
Yesterday i want to intall crdroid 5.0 on my Lg g2 on Official 4.4.2, so i've:
Root my phone
Install CWM Manager
Set CWM Recovery
Reboot in recovery
Use ADB Mode
Use ADB on my PC to send crDroid zip by sideload
During sideload, after full download, there was an error assert failed. So installation failed, and i've decided to reboot my phone.
Problem is here, my phone boot, display LG Logo and after 5 seconds, Lg Logo with "security error" message, then stop alone and reboot again, and again.
I have tried following procedures :
Power off completely my phone and then Volume down+PWR to enter in recovery : FAIL
Volume Up and then put USB cable to enter download mode : FAIL
Connect with USB on Ubuntu to try to reset .img files : FAIL (Phone invisible on my pc, even not recognize)
So i cannot go to Recovery Mode, Download Mode and my phone isn't recognize on PC.
I don't have any other ideas and i am here to asking help .
Thxs for reading, and i pray for a miracle !

Wallouf said:
Hello everyone !
I have big troubles with my Lg g2 d802.
Yesterday i want to intall crdroid 5.0 on my Lg g2 on Official 4.4.2, so i've:
Root my phone
Install CWM Manager
Set CWM Recovery
Reboot in recovery
Use ADB Mode
Use ADB on my PC to send crDroid zip by sideload
During sideload, after full download, there was an error assert failed. So installation failed, and i've decided to reboot my phone.
Problem is here, my phone boot, display LG Logo and after 5 seconds, Lg Logo with "security error" message, then stop alone and reboot again, and again.
I have tried following procedures :
Power off completely my phone and then Volume down+PWR to enter in recovery : FAIL
Volume Up and then put USB cable to enter download mode : FAIL
Connect with USB on Ubuntu to try to reset .img files : FAIL (Phone invisible on my pc, even not recognize)
So i cannot go to Recovery Mode, Download Mode and my phone isn't recognize on PC.
I don't have any other ideas and i am here to asking help .
Thxs for reading, and i pray for a miracle !
Click to expand...
Click to collapse
Even I have suffered with same problem
Follow this thread I think you must have seen this thread it is the best solution till date from recovering the problem you are in right now.
http://forum.xda-developers.com/lg-g2/general/lg-g2-unbrickable-fix-real-hard-brick-t2904404
But you have to mess up with your phone motherboard but its really very easy. Just follow it. I have recovered mine from this.

Ok i'll Try it ! Thx you !

I have tried your link and its working. My phone is alive ! Thx you .
I have a last problem. My phone has 2 black lines on the screen from top to bottom. This appear after i had flash new .img files. Does anyone have an idea about what i need to do to remove these ?
Thx you again

[Q] bricked my lg g2 d802,not going into download mode + my screen has white lines

hello guys,im new here i need your help..
I bricked my d802 today,i was on stock kitkat rom,what i did was rooted my device with towel root and used Autorec to install recovery,it installed successfully,then i clicked ''go to recovery'' then all i get were white lines on one side of screen and rest of screen is black(cant see anything).. after digging for hours i came to know that it is because of different Kernel version,but now i want to know how can i flash patched Kernel? as my device is bricked.. It is also not going into download mode so i cant also flash a stock rom.. tried Adb but it is not detecting my device... im completely lost
A tutorial or help will be appreciated.Thanks im waiting for your replies
EDIT:
i used fastboot commands n flashed some img. files..now my display shows up(dull white lines are still on it)..i can boot into download mode now..i flashed kdz stock rom it completed successfully.. but after reboot it is stuck on lg logo with led on... i did hard factory reset(holding volume down key + power button) but it is still stuck at lg logo.. i can still boot into download mode and i dont have a custom recovery installed what should i do now?
can i flash custom recovery using fastboot command? because ADB is not detecting my device. but computer is detecting my device(it also installed three drivers automatically)
And i flashed D80220a_00.kdz stock rom Indian version..should i try some other KDZ aswell? reply please thanks

have a similar issue with my d805. stuck in boot logo and download mode doesnt do anything to help me. someone please help

guys i really need your help,please guide me

kenennaoyeka said:
have a similar issue with my d805. stuck in boot logo and download mode doesnt do anything to help me. someone please help
Click to expand...
Click to collapse
any luck?

none bro....i sent my phone in to an XDA Super Contributor in the LG G2 section. He was in California. Try to find someone to help you around your city or country. Sorry man. If he gets it done, i would ask him how he went about it and let you know.
ahmeee123 said:
any luck?
Click to expand...
Click to collapse

okay,i figured out my problem i have d800(i removed back cover to check) while i was flashing kdz n tot. of d802,now my screen is messed up,no download mode,no recovery and no fastboot,it just stuck at lg logo with led flashing,my pc detect it as Lg androidnet phone.. what can i do now? anybody help thanks

same issue
ahmeee123 said:
hello guys,im new here i need your help..
I bricked my d802 today,i was on stock kitkat rom,what i did was rooted my device with towel root and used Autorec to install recovery,it installed successfully,then i clicked ''go to recovery'' then all i get were white lines on one side of screen and rest of screen is black(cant see anything).. after digging for hours i came to know that it is because of different Kernel version,but now i want to know how can i flash patched Kernel? as my device is bricked.. It is also not going into download mode so i cant also flash a stock rom.. tried Adb but it is not detecting my device... im completely lost
A tutorial or help will be appreciated.Thanks im waiting for your replies
EDIT:
i used fastboot commands n flashed some img. files..now my display shows up(dull white lines are still on it)..i can boot into download mode now..i flashed kdz stock rom it completed successfully.. but after reboot it is stuck on lg logo with led on... i did hard factory reset(holding volume down key + power button) but it is still stuck at lg logo.. i can still boot into download mode and i dont have a custom recovery installed what should i do now?
can i flash custom recovery using fastboot command? because ADB is not detecting my device. but computer is detecting my device(it also installed three drivers automatically)
And i flashed D80220a_00.kdz stock rom Indian version..should i try some other KDZ aswell? reply please thanks
Click to expand...
Click to collapse
Hello
I have bought my Lg g2 d802 few days ago and when I tried to root it and install recovery using autorec the phone screen went black after rebooting into recovery and still in that state.. no led, no download mode , no recovery nothing else just white lines on left corner.... I tried it to get its software repair but they said that the lcd has been fused and need to be replaced ...
I tried to connect it to pc and it is showing marshall london adb interface and in another pc it is showing Android with yellow mark which turned in to Android adb interface after installing drivers from internet
I tried fastboot.exe and adb.exe but no device found error in adb mode but some commands working as fastboot..
I want to know which partitions u flashed using fasboot and how because when i tried to flash it says cant load XXX.img (xxx belongs to the name of partition i flashed)

same problem is here....u found any solution???

AutoRec got my LG D802 bricked and now all i see white lines on screen. Can anyone help plzzzz

LG G2 (D802T) got bricked while installing recovery

Hi Guys,
My phone got bricked when i tried to install recovery . After installing the recovery it booted into TWRP screen but since then no boot loader or No Fast boot on top of that device just stays on the boot screen with LG logo.
Moreover, Device is not installing the drivers properly. In the device manager it is showing a ! symbol under 'other devices' and error is as below.
The drivers for this device are not installed. (Code 28)
There are no compatible drivers for this device.
To find a driver for this device, click Update Driver.
I tried to install "LG universal driver" but its of no use . I tried ADB side load as well but device is not talking to my PC , i believe its drivers issue. Please see the attached screen shot.
PLEASE SUGGEST ME A SOLUTION.

No download mode, no recovery mode, unable to root LG G2 (but starting Lollipop)

Hi,
I have problems to get root access on my LG G2 (D802). I have a refurbished Vodafone device, which runs with the Lollipop version (5.0.2). The phone boots into the OS and works fine (as you can say with 5.0.2), but I want switch to CM13.
Unfortunately I can't access the download mode: I got the "Boot certification verify" error, which results in a DemiGod Crash Handler. I know, I should flash the phone with a stock version. But: I can't downgrade this phone - I tried every LG flash tool version.
Either the LGMobile Tool Suite says I already have the latest Firmware (trying to install a older version -.-), the process just stops because the phone is missing a functional download mode or the whole process just stops at 4% within the "S/W Upgrade is in process"-task and ends with a error message ("Upgrade stopped due to an error").
When doing the command "adb reboot recovery", the phone restarts. Sadly I only see the droid laying with an exclamation mark. I once accomplished (still don't knowing how) to get the options and I tried to install the kk_root.zip with the command "adb sideload", but there is another issue/error message: "E:failed to verify whole-file signature / E:signature verifcation failed"
Is there any other way to get around this mess and to install CM13?
Thanks in advance,
dash

[HELP] Completely stuck in security error loop at boot. Phone is not recognized by PC

As I say in the title I have a LG G3 D855 and I was trying to root it and installt twrp but I completely screwed up.
After that I managed to go into the qualcomm bootloader and restore the phone following this tutorial https://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091, but I keep on getting security error loop.
I cannot enter download mode, therefore I cannot flash my rom again. I have tried already with the tot images from EUR and HKG, and still no improve.
Any experience/help on solving this?
Thanks in advance!