Follow the tutorials below for your model
Here is a link to the full instructions for the D850:
[ROM][STOCK][BUMP'd] LG D850 20F Lollipop 5.… | AT&T LG G3 | XDA Forums
F400 (s/l/k):http://forum.xda-developers.com/lg-g3/development/rom-stock-lollipop-5-0-t2939835
D855: http://forum.xda-developers.com/lg-g3/development/rom-lollipop-rooted-rom-skin1980-t2936022
*Must be running Rooted KitKat or AOSP with TWRP for this to work*
*Please note that some may need to have a new modem/radio flashed.*
*D855 may need a modded version of TWRP, (listed in instructions) to back up modem.*
*Must Flash new modem for D850.*
*Please be patient during boot. It could take up to 10 minutes.*
*if you are missing status bar or nav bar, or have any other problems (which I did on my D850) Re download zip and flash it.*
Posted From my. Rooted LG G3 (D850) Running Android 5.0.1 Lollipop
Here is a link to the full instructions for the D850:
[ROM][STOCK][BUMP'd] LG D850 20F Lollipop 5.… | AT&T LG G3 | XDA Forums
F400 (s/l/k):http://forum.xda-developers.com/lg-g3/development/rom-stock-lollipop-5-0-t2939835
D855: http://forum.xda-developers.com/lg-g3/development/rom-lollipop-rooted-rom-skin1980-t2936022
*Must be running Rooted KitKat or AOSP with TWRP for this to work*
*Please note that some may need to have a new modem/radio flashed.*
*D855 may need a modded version of TWRP, (listed in instructions) to back up modem.*
*Must Flash new modem for D850.*
*Please be patient during boot. It could take up to 10 minutes.*
*if you are missing status bar or nav bar, or have any other problems (which I did on my D850) Re download zip and flash it.*
Posted From my. Rooted LG G3 (D850) Running Android 5.0.1 Lollipop
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