Dead LG G4, no recovery or EDL - G4 Q&A, Help & Troubleshooting

Hey everyone
My LG G4 (H815) suddenly turned off when i was using it, and it showed no life when i tried to boot it up again. Its completely stock, no custom recovery or custom firmware is installed. I cant boot into fastboot or EDL mode. I tried the button combinations as well as the test point method but i just cant get it to enter any kind of recovery mode, the screen just remains black (no backlight either). I installed the Qualcomm HS-USB drivers and when i plug my phone in my pc it gets recognized by QFIL. I tried flashing the fimware but it always gives me the Sahara unable to read packet header error. Can anyone help me?
Thanks in advance.

Have you searched the forum and tried any of these ?
https://forum.xda-developers.com/t/guide-proper-h815-unbrick-through-qfil-files-included.3709212/
https://forum.xda-developers.com/t/...-unbrick-via-external-sdcard-no-qfil.3748946/
https://forum.xda-developers.com/t/lg-g4-h818p-h815-hard-brick-recovered-working.3703565/
https://forum.xda-developers.com/t/unbrick-lg-g4-9008-qualcomm-mbn-files.3574595/

Related

[Q] LG G3 stuck in fastboot

Hello!
I have one LG G3 D815 16GB wich is stuck on fastboot mode, all I can do on it is to enter the Hard Reset menu, but even if I choose Yes from that menu, nothing happens.
When I try to put it in Download Mode it does nothing, but after few moments after the phone is connected to PC on screen appears "[211630] Fastboot mode started".
Can anyone help me? The phone has get bricked from nothing, I didn't do anything to him to get it bricked.
If I try to power it on normally it remains stucked with LG logo on the screen.
Can anybody help me? With a tutorial or something?
Thx!
PS: I didn't installed any custom firmware or something like this on this phone. I attached down there a photo with the screen wich appears after I connect it to PC.
The same problem as me: http://forum.xda-developers.com/lg-g3/help/lg-g3-hard-break-t2977485
No one can help me?
Do you have warranty?
I believe jtag is only option here as you cant enter anywhere.
Happened to me today, this one worked! http://forum.xda-developers.com/showpost.php?p=57655028&postcount=15

LG G3 D855 secure booting error !!

hello All
i did something very very very bad
i was upon to downgrade my D855 from 5.0 to Kitkat but it stop on 17% in pc and 0% on the phone
it still like that for 40 min so i unplug USB and i restart the phone i just get message says (secure booting error) in the up left side of phone and after that black screen and LED (BLUE & RED) i can not get in to download mode but when i try i get this :
Qualcomm HS-USB QDLoader 9008 (COM41)
and when i try to enter to recovery mode i get had to do factory reset and same problem !
so anyone can help me with this ?
Thanks ..
any help plz
Hello.
Move your battery, then replace it.
Flash an official kdz from lg.com with LGflashTool and your phone will restart
Your device is Brick!!
Try to enter Download mode
Flash your device again with LG FLash tools(tot File) or KDZ
i found it holllllaaa
for everyone have this problem, on this link you can fix it
http://forum.xda-developers.com/sprint-lg-g3/general/guide-fix-hard-brick-recovery-guide-t3132359
i used KIZ file by the way
and i wish frm supervisor to close this subject and write solved on it
thanks.

"Secure booting error", D855

Hi,
so i recently got a bootlopping LG G3. My first thought was to just flash a stock rom - So i did. But as LGFT was flashing the USB cable accidentally plugged out and now i'm stuck at
Code:
"[[XXXX] Secure booting error" (XXXX changes with every restart)
and a blue/red blinking LED. I can't even access the downloadmode anymore.
My computer doesn't recognize the phone. No entry in device manager. No Qualcomm HS-USB QDLoader entry... Just nothing.
I don't know what to do now and I don't want to throw the phone away Do you have any solution? Thanks in advice!
Regards,
furi
Help pl0x? :c

Hard-bricked D855, don't get any fix to work

Hey guys,
I just bricked my D855 by flashing the wrong version of SuperSU (as if I never did it before). Now I don't have download mode, fastboot, recovery, nothing. So I tried these two fixes:
https://forum.xda-developers.com/lg-g3/general/fix-unbrick-lg-g3-stuck-qualcomm-hs-usb-t2933853
https://forum.xda-developers.com/lg-g3/general/unbrick-lg-g3-qhsusbbulk-qualcomm-9008-t3072091
However, both tools don't seem to detect my device.
In the first case it says "Serial Port open FAILED.. TEST aborted!!"
The second tool just displays "Not Ready"
I see my device in the device manager listed as "Qualcomm HS-USB QDLoader 9008 (COM3)", so I don't really understand what to do anymore. Any help would be highly appreciated!
Edit: Ok, I figured out how to give BoardDiag access to my phone. However, now I get the error "Failed during loading flash programmer", so I still am not able to fix it. I'm really getting desperate
Edit2: Turns out that the provided BoardDiag versions weren't working. Got it to work with a different version and am now recovering my files
Try Install D85520i.zip from twrp recovery if you have twrp recovery mode boot working and flash
it worked for me my phone was hardbricked after installing some sound mod and then getting a bootloop
with phone booting but no sound after me deleting some sysytem files and then i deleted data cache and system dalvik cache internal storage every thing i tought it would be bricked forever

My phone stuck on download mode... anyone please help.

Hi guys,
I need your help. Yesterday i tried to install flash my stock firmware (S054) in my Lenovo VIBE K5 Plus A6020a46. Now it seems Bricked. I can't boot into fastboot mode and not into the recovery mode. When I tried to turn on nothing will happen its just show black screen. When I connect with pc its automatically connect on download mode and shows (Qualcomm HS-USB QLoader 9008 Com 3)Successfully installed but when i am tried to flash with "QFIL (Shows sahara error) or QcomDLoader (Shows Send Result and in progress and nothig will happend)" What should I do? Please help. :crying:
Try
Maybe this link can help you
forum.gsmdevelopers.com/showthread.php?t=26402

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