LG G4 Downgrade and root

LG G4 F500S Nougat to Lolipop and install custom rom

F500S30d - F500S30b - H81520A - 

 

1. Turn off the device and connect to the pc while pressing voulme up button. This will enter download mode.

2. Download LGUP and kdz file

3. Extract dll file and replace

4. Change hex value of modelname in kdz

3. Downgrade to Marshmallow (upgrade mode

 

 

Install Nougat

1. Turn off the device and connect to the pc while pressing voulme up button. This will enter download mode.

2. Download LGUP and kdz file

3. Extract dll file and replace

3. Flash in upgrade mode

 

 

Error 0x2000: https://forum.xda-developers.com/showpost.php?p=73642302&postcount=4

L to MM: https://blog.naver.com/dentzzang/221210626636

Naver Cafe: https://cafe.naver.com/optimuslteuser/576922

 

 

Finished, Hours took: 5 Hours (1.30pm to 6.26pm 04052019)

 

1.30pm start trying install custom rom

6.26pm downgraded to lollipop

9.10pm device looted