Lg v20 stuck on bootloop - LG V20 Questions & Answers

Dear xda Developer,
I have a LG v20 H990DS international Model use in KSA. Every think is working good after I factory reset then it’s started the boot loop, shows Lg boot screen and restart again and again.
I try to enter into Download mode (Vol+then plug in to pc) but say Download mode please wait then continuous looping the lg logo. The only mode that I can get to is fast boot. Even doing a factory reset does not work.
I know only Fastboot mode is last hope for my phone alive.
I know the method of partition but problem is when I erase laf.img through fastboot mode its say device is lock cannot erase.
I check LG unlock bootloader page my device is not in listed.
Please any one provide unlock bootloader file .

If you didn't root your phone, your phone has a hardware problem. You have to send it to LG.
-- Brian

Related

[Q] LG G2 D802 Stuck on LG Logo

Hello guys, i got a big problem with my lg g2.
When I turn it on, it gets stuck at the Lg Logo and nothing happens from there.
I tried going to download mode and flashing a stock rom but to no avail.
I tried this : http://forum.xda-developers.com/showthread.php?t=2432476
but when the phone actually restarts at the end of the process, it gets stuck at the logo again and the light keeps on flashing.
I also tried the TOT method to flash the mobile to stock rom but i always get "LAF retrieveGPT() failed"
Every time i switch the mobile on, it stays at the lg logo
Does anyone knows what i should do now?
Thanks in advance for any help given.
Have you try to hard reset after kdz flash?
Did the hard reset but when the phone starts, it gets stuck at the logo screen again.
I just tried to flash again with another TOT and it actually worked until the phone restarts by itself and gets stuck at the logo again.
That is, on the flash tool it shows that the phone is restarting to complete the installation but the phone just gets stuck at the logo and then after a few seconds the flash tool shows that the process has failed.
Any suggestions?
I'm having the exact same problem:
When I turn the phone on, it is stuck on the LG screen
I cannot enter recovery mode (holding power + volume down...)
I cannot enter download mode - it shows fastboot screen instead
I'm completely lost as what to do??? I think I've just wasted a phone
I can't do any of the fixes that I can find because I'm not able to enter download mode, the LGMobile Support Tool wont recognize my phone etc
Hello mate, there's an easy fix to be able to get download mode.
Download this and extract it in your local disk ( C:\boot )
((seems like i can't post links before 10 posts))
Go on google and download fastboot to your pc and find a laf.img for your phone varient
Then open cmd and type:
cd C:\boot
fastboot erase recovery
fastboot erase laf
fastboot flash laf laf.img
fastboot reboot
That will fix your download mode immediately.
But I do not know any further. Once you get access to download mode, try flashing the kdz or even TOT files and let me know if you are able to pass the logo screen.
Cheers
WubbLoaW said:
Hello mate, there's an easy fix to be able to get download mode.
Download this and extract it in your local disk ( C:\boot )
((seems like i can't post links before 10 posts))
Go on google and download fastboot to your pc and find a laf.img for your phone varient
Then open cmd and type:
cd C:\boot
fastboot erase recovery
fastboot erase laf
fastboot flash laf laf.img
fastboot reboot
That will fix your download mode immediately.
But I do not know any further. Once you get access to download mode, try flashing the kdz or even TOT files and let me know if you are able to pass the logo screen.
Cheers
Click to expand...
Click to collapse
Sorry, I don't know what you're saying. If you can somehow direct me to the link that would be great! :good:
if you give me the name of another thread, I should be able to search for it
I finally found it lol.
http://forum.xda-developers.com/showthread.php?t=2477595
Just follow the steps but you need to find the laf.img for your phone varient. The laf in the link is not for D802.
WubbLoaW said:
I finally found it lol.
http://forum.xda-developers.com/showthread.php?t=2477595
Just follow the steps but you need to find the laf.img for your phone varient. The laf in the link is not for D802.
Click to expand...
Click to collapse
that worked! I'm now using the LGMobile support tool to try and reinstall the original firmware - I will let you know how it goes once that's complete
EDIT: It said that software install was complete, but I'm still stuck on the LG Boot screen
EDIT 2: just tried the steps from here: http://forum.xda-developers.com/showthread.php?t=2432476 - it now loads the LG boot screen, then and android guy (with hexagonal shape?) and blue bar underneath, and then back to the LG Boot screen
IM GOING CRAZY HERE!!! what am I supposed to do to fix this
Yeah, i'm stuck just like you.
Just sent it for repairs at a local shop because I also was going nuts over this.
If it becomes alright, I'll ask the guy to explain what he did and I'll write it here in a few days.
Patience my brother.
http://uncle-yakuza.jouwweb.nl/lg-g2-fast-boot-menu-fix
This page includes a link for the files you need
MasterThiefGarrett said:
This page includes a link for the files you need
Click to expand...
Click to collapse
Thanks :good: I have already done this (as you can see above), however I cannot complete the last step which is flashing the new firmware. I'm still left with the LG logo after doing this
Any updates?
Well guys, its been a long time since I'm having this problem and I didn't find any solution.
Anyone knows how i can fix this?
Or any suggestions?
Thanks in advance

Lg boot loop no recovery

Hi I have a sprint lg v20. Shows lg boot screen and loops. I try to get into recovery mode to factory reset but says recovery mode please wait then continues looping the lg logo. I have not found anything saying they had a similar problem. As far as I know there is no fastboot mode I can use. Any ideas on how I could fix it? Thanks
Did it just start out of the blue, or did you do something?
-- Brian
Can you get in to download mode? (vol+ then plug in to PC) If so, you may be able to use LGUP to flash a kdz.
Good luck! :fingers-crossed:

Lg stuck on bootloop....

My Lg H990 ds stuck on bootloop, the only mode that i can get to is fast boot mode .i know only fastboot mode is last hope for my phone alive.
I wants unlock bootloader file for partition install @ fastboot mode .....
Plz help me
Hardware failure. Send it to LG.
-- Brian

Lg v20 stuck into bootloop no download mode only recovery | please help

HI I PUT MY PHONE ON CHARGE SO IT SHOWED THAT I AM USING AN HANDSFREE SO I RESTARTED MY PHONE BUT NEVER TURNED ON AGAIN ITS STUCK INTO A BOOTLOOP
IF I TRY TO GET INTO DOWNLOAD MODE IT SHOWS DOWNLOAD MODE FOR 5 SECS THEN RESTARTS AGAIN
IT DOEST NOT BOOT INTO FASTBOOT ALSO AND MY PHONE WAS ON OFFICIAL STOCK ITS AN F800L MODEL ON OREO 8.0.1
I CAN ONLY GET INTO FACTORY MODE BUT IF I RESET MY PHONE IT STUCKS ON BOOTLOOP AGAIN, PLEASE HELP ME...
ANYONE??? PLEASEEEEEE :crying::crying::crying::crying::crying::crying::crying::crying::crying::crying:
hamzarawal said:
HI I PUT MY PHONE ON CHARGE SO IT SHOWED THAT I AM USING AN HANDSFREE SO I RESTARTED MY PHONE BUT NEVER TURNED ON AGAIN ITS STUCK INTO A BOOTLOOP
IF I TRY TO GET INTO DOWNLOAD MODE IT SHOWS DOWNLOAD MODE FOR 5 SECS THEN RESTARTS AGAIN
IT DOEST NOT BOOT INTO FASTBOOT ALSO AND MY PHONE WAS ON OFFICIAL STOCK ITS AN F800L MODEL ON OREO 8.0.1
I CAN ONLY GET INTO FACTORY MODE BUT IF I RESET MY PHONE IT STUCKS ON BOOTLOOP AGAIN, PLEASE HELP ME...
ANYONE??? PLEASEEEEEE :crying::crying::crying::crying::crying::crying::crying::crying::crying::crying:
Click to expand...
Click to collapse
I'm sorry for your loss. To me it sounds like something may be physically damaged.
To elaborate a bit further, fastboot doesn't usefully exist without root, stock recovery can only wipe your userdata, and you've already said download mode reboots way too early to try anything. There is no safe way to try anything with the firmware, if it even somehow is a firmware issue. There's the leaked firehose, if you force it into 9008 mode, but that's risky and I have no personal experience with it to give more details.
Basically don't expect it to be coming back.
Phoenix591 said:
To elaborate a bit further, fastboot doesn't usefully exist without root, stock recovery can only wipe your userdata, and you've already said download mode reboots way too early to try anything. There is no safe way to try anything with the firmware, if it even somehow is a firmware issue. There's the leaked firehose, if you force it into 9008 mode, but that's risky and I have no personal experience with it to give more details.
Basically don't expect it to be coming back.
Click to expand...
Click to collapse
SO THAT MEANS IM NEVER BUYING AN LG AGAIN:crying:
boot in fastboot flash twrp and reinstall laf partition
Lussardi said:
boot in fastboot flash twrp and reinstall laf partition
Click to expand...
Click to collapse
Without it already being rooted and the dirtysanta bootloader installed there is no fastboot mode on anything (which you would have seen if you had read the OP) but the h918 (which still can't flash with it) and us996, and you still need a working phone to actually set the options in Android to allow unlocking the bootloader.
And I'd put it at like an 80% chance it's hardware failure anyway, since it's boot looping in download mode too.
Try holding down volume down and plugging in USB.......
Same issue herewith...
LG V20 boot loop , restarting again and again , also when USB cable method is applied to enter into the Download Mode , it also restarts after sometime after showing download mode icon etc........

Hard Bricked LGV20 US996 Bootloader Locked.

Hi All,
I have a LGV20 US 996, and I hard bricked it after installing Magisk on Lineage while doing the OTA update for MGAISK. I was on Lineage 17.
Things I Tried to fix:
Enter Download mode, attempt to install KDZ with UPPERCUT and LGUP.
Problem is that LG UP stops at 80%, and then displays Rebooting 40sec. Then it enters Fastboot mode, and doesn't boot the OS.
Next, I tried to unlock bootloader via fastboot mode, but says Failed Error (Possibly due to not enabling OEM unlocking) ..
SO, is there hope or is this Device gone for good?
Thank you.

Categories

Resources