LG G2- Bootlooped After KDZ - G2 Q&A, Help & Troubleshooting

HELP!No download mode, neither goes to fastboot mode, bootloop!
Hi.
My lg d801 is in bootloop/bricked after kdz, what might be the fix ?
I can go to stock recovery but if i confirm with power button to factory reset, it just freezes. Pc wont detect, tried both, universal drivers and lg drivers. Also in bootloop.

Try flashing a tot file with the other flash tool provided in the forums.
http://forum.xda-developers.com/showthread.php?t=2432476

if u do not have download mode http://forum.xda-developers.com/lg-g2/general/lg-g2-unbrickable-fix-real-hard-brick-t2904404

I don't have download mode neither a working recovery, also my pc cannot detect the phone. Drivers and other utilitys are installed.
Sent from my LG-D802 using XDA Free mobile app

Related

Deep hard brick.700 paper weight

Rogers d803 bootloops to fast boot mode.when i try button combo to enter recover it get stuck at strangge message saying loading recovery and just hangs there.i have twrp recovery.i can also enter download mode but cant recognise on computer so i cant flash stock rom using lg recovery tool.please help me.
Sent from my LG-D802 using XDA Premium HD app
jamesrfraser said:
Rogers d803 bootloops to fast boot mode.when i try button combo to enter recover it get stuck at strangge message saying loading recovery and just hangs there.i have twrp recovery.i can also enter download mode but cant recognise on computer so i cant flash stock rom using lg recovery tool.please help me.
Sent from my LG-D802 using XDA Premium HD app
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Have you tried downloading the USB driver from LG for your phone?
(Link here)
Also, have you tried using LG Flashtools rather than the LG recovery tools? LG Recovery tools does not detect my AT&T LG G2. With the LG Flashtools you can restore your phone back to stock using a .tot 'image' file, no weird or fancy drivers, just install the USB drivers from the LG website link I provided.

[Q] Help with bricked g2

I'm sorry if there is a post for this already, I have been using this website for a while and until now never had to post because all my questions were answered. This time I am not able to find an answer or even a thread with the same circumstances as mine. I rooted and installed a custom rom but didn't like it. I tried going back to stock but accidentally wiped the phone so the backups and the roms were gone. I had TWRP installed but it wouldn't allow me to sideload via adb and when I tried to enter download mode, it would enter it but go to a screen that just said firmware update and stayed stuck on there. So I went out and bought a OTG usb cable to read the rom off a flash drive and I installed it but now instead of going to recovery it goes to a black screen that just says fastboot mode udc start. Download mode still does the same firmware update screen. Any help would be appreciated, thank you.
What rom did you try to install what software version were you on
Sent from my VS980 4G using Tapatalk
spinninbsod said:
What rom did you try to install what software version were you on
Sent from my VS980 4G using Tapatalk
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I'm on the latest software and I tried to put the newest stock I could find but honestly I might've made a mistake since my PC is loaded with different roms and files from all kinds of phones and software versions.
same problem here,,, i was going to open a thread but i jumped on this one. Let me explain what i did,
i was running ls980 zv8 clodyflex 1.4 jellybean and i went to recovery TWRP wiped everything exept internal storage flashed kk baseband and ZVA radio then flashed cloudyflex 2.2 and rebooted and phone went to the same screen as the owner of this thread: fastboot mode udc start and i cant get in to recovery to restore my backup. Ive tried lg tools method to flash a tot firmware but even having all drivers it doesnt happend, i tried fastboot method with command prompt to flash recovery twrp again and no luck either, i ran out of options here but there is gotta be a solution for this PLEASE HEEELP!
smallyetzon said:
same problem here,,, i was going to open a thread but i jumped on this one. Let me explain what i did,
i was running ls980 zv8 clodyflex 1.4 jellybean and i went to recovery TWRP wiped everything exept internal storage flashed kk baseband and ZVA radio then flashed cloudyflex 2.2 and rebooted and phone went to the same screen as the owner of this thread: fastboot mode udc start and i cant get in to recovery to restore my backup. Ive tried lg tools method to flash a tot firmware but even having all drivers it doesnt happend, i tried fastboot method with command prompt to flash recovery twrp again and no luck either, i ran out of options here but there is gotta be a solution for this PLEASE HEEELP!
Click to expand...
Click to collapse
I just saw this. I have done the same thing. But I have been able to recover with TOT file. The trick to enter download mode is to hold the volume up button when you power on the phone. If you can get the phone to stay off, then hold volume up, while holding vol up plug in your data cable. You should get DL mode. If you do this while the LG Flash Tool is open, then go to control panel and find the COM port for the LG phone, open properties and advanced, change the COM port to COM41. Once that is done, also once the flash tool files are loaded and the COM41 box says ready, unplug your phone then replug your phone. You may have to also hold volume down here, I can't remember. But the first time is to let the drivers configure. The second time lets the flash tool see the COM port and it should start flashing. It will get around 80% and reboot. The flash is done and the tool will eventually report an error.
I installed the KK baseband as instructed, even also came from the stock ZVC update, rooted via IORoot25. It's a shame as I've heard great things about this ROM.
Hope that helps.
[FIX] NO Recovery mode, No download mode, after OTA on rooted LG G2
I know you guys didn't brick doing the OTA, but it might help: [FIX] NO Recovery mode, No download mode, after OTA on rooted LG G2
I was in the IRC channel when it happened, hehehe...
Good luck!
Compass.

lg g2 d802 bricked (cant restore with lg mobile tool support and no fastboot)

Hello everyone!
My LG G2 D802 is bricked!
Two day ago I tried to flash twrp recovery in order to install some custom roms.
I used the autorec method, but the phone now is stuck on the LG logo.
I can boot in download mode (vol+ and plug usb cable) but the LG MOBILE SUPPORT TOOL does not work !
I've also tried the OFFLINE method but it still does not work (seems the usb is not properly connected, but the drivers are just fine)
I've no more fastboot (think i messed up with something by using adb fastboot because i flash a bad recovery.img) and now
if I try to boot into recovery (by pressing vol - and power) it says: secure booting error - error: Boot Certification Verify! than the display turn black and if I plug the USB cable windows says that I need to format the disks...
I've also notice that in the usb devices there is a QHSUSB_BULK which is not proprely installed, so i tried to use this method :
http://forum.xda-developers.com/showthread.php?t=2582142
but Ubuntu is not able to detect the device!
What i've to do?
Thank for suggestions
EDIT: ok, problem solved using ubuntu!
Ok good u figured it out. I was gonna suggest fastboot. Reflash recovery. That worked for me. When i have black screen and white letters top left corner of screen
Sent from my LG-D803 using XDA Premium 4 mobile app

Bootloop problem, no recovery, no download mode (Non rooted and No custom recovery)

Hi, I just bought an LG G2 D802 20B Model a couple days ago, yesterday I wanted to downgrade to 4.2.2 and I ended up bricking the phone.
The phone is non rooted, doesn't have any custom recovery, and not recognized by adb even though i installed all the drivers ( koush drivers, PdaNet, Lg drivers ...)
At first I flashed with .kdz file and it ended in bootloop, I tried to factory reset but it doesnt have any effects with the stock recovery it only shows the green android bot and blue progress bar and then restart in 3 seconds and reboots to lg logo and start looping.. After a restart the download mode didn't work anymore it showed me fastboot error, I searched for the tutorial that actually worked and I flashed with .tot method but there is still bootloop and the download mode is stuck at the image attached. The phone is not recognized by neither windows or ubuntu therefore I can't use adb to fix the partitions.
Can any body provide me with a solution? The phone is still new and it will be a shame if its transformed to a brick in 3 days :crying:​
Hey..hmm i think thats how download mode it is...so did you tried to flash again a firmware?
raulx222 said:
Hey..hmm i think thats how download mode it is...so did you tried to flash again a firmware?
Click to expand...
Click to collapse
Actually the picture attached is stuck and it doesnt change , and the pc can't recognize the phone so I cant flash it with another firmware
BUMP! please help!!
This isn't download mode.
here
only aboot, boot, laf..
bender_007 said:
This isn't download mode.
here
only aboot, boot, laf..
Click to expand...
Click to collapse
Thanks for your reply, however the phone is not recognized on windows neither on ubuntu therefore this tutorial can't help ...
I am in the exact same situation.
Mine is a D802 32GB Hong Kong model. I stupidly ran AutoRec which soft-bricked my phone. Managed to get Download Mode working, then flashed 20C and 20B which bootlooped. Then I attempted to flash 10B, which got me into this exact state:
Download Mode not working (only shows "Download Mode", does not go to firmware recovery screen, not detected in Win/Linux)
Factory reset (Power + Vol Down) can go to factory reset screen, after factory reset, still bootloop.
Once in a while, I also get the Android icon which then disappears after a few seconds and goes to LG logo again.
If I plug the phone in and do a factory reset, Windows detects the LGE AndroidNet modem, and Linux will detect cdc_acm USB Abstract Control Model driver. Flash Tool and LG Mobile Support seems to detect the phone and attempt to flash, but the phone restarts after a short while.
I have no idea what else to do

Stuck in Fastboot ls980 4.4.2

Phone was stock 4.4.2 from sprint. I did root the phone. The thread said the auto tool would install recovery so I did not install it beforehand.
I ran OneClick_ROOT_RECOVERY as described in a thread on the Xdaforum by accident. It says for d802 only; my phone is the ls980 sprint. Didn't notice d802 at the top of the thread. Phone is now stuck in fastboot and reboots into fastboot. Phone does respond to fastboot commands from command prompt. Phone was running 4.4.2.
I installed openrecovery-twrp-2.8.5.0-ls980 from fastboot hoping if I rebooted it would launch into twrp. It just keeps rebooting into fastboot.
Tried LG flashtool, can't get phone into download mode. It goes into download briefly, then immediately goes into fastboot. Tried using lg flash tool, can't because phone will not stay in download mode..
Tried factory reset mode, it fails with 'certificate error'.
I'm totally stuck.
There are some repair services on eBay that I have used when I bricked my phone it cost about $15-20.
Sent from my LG-D800 using XDA Free mobile app

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