- Open Device Manager on your PC
- With the phone turned off, hold volume down + power.
- After the screen turns dark, while still holding volume down + power, start rapidly pressing the volume up button.
- Keep doing this until you see QDLoader 9008 or QUSB_BULK in the Device Manager on your PC.
- If the device has a
⚠️ yellow warning triangle, you need to install EDL drivers before you can continue to the next step.
- Open Qfil.
- In "Select Build Type", select flat build.
- In "Select programmer", select the downloaded firehose.
- In Configuration, make sure the "Device Type" is set to UFS.
Make sure you've made abl backups before
- In Qfil, select Tools > Partition manager, and click Ok.
- Right click on abl_a > Manage Partition Data and press Load Image.
- Select and flash the engabl_ab.bin file.
- Do the same thing for abl_b.
- Force reboot your phone by holding volume down + power until you see the LG logo.
- With the device turned off, hold the volume down button, then plug the cable in.
- If the phone in device manager is called Android and has a
⚠️ yellow warning triangle, you need to install fastboot drivers before you can continue.
Replace
path\to\massstorage.img
with the actual path of the imageIf popups show up telling you to format the disks, ignore or close them
fastboot boot path\to\massstorage.img
Note
After 1-2 minutes WINMH2LM5G should automatically appear in Windows Explorer. If it does, skip to the "Installing drivers" step, else continue with the "Diskpart" steps.
diskpart
Use
list volume
to find it, it should be named WINFLASH
select volume <number>
assign letter x
exit
Unpack the driver archive, then open the
OfflineUpdater.cmd
file
Enter the drive letter of
WINFLASH
, which should be X, then press enter
To restore your original abl
- In Qfil, select Tools > Partition manager, and click Ok.
- Right click on abl_a > Manage Partition Data and press Load Image.
- Select and flash the abl_a.bin file you've hopefully backed up before that is located in
C:\Users\YOURNAME\AppData\Roaming\Qualcomm\QFIL\COMPORT_#\
- Do the same thing for abl_b.
Force reboot your phone by holding volume down + power until you see the LG logo.
If you end up in Android instead of Windows, simply use the WOA Helper app to switch back.