How to install Oxygen OS P
>Install treble recovery
>Install treble support rom
>Extract OxygenOS_5.1.0.7z in twrp backup folder
>Go to recovery and restore system
>Go to install and flash
patch.zip>Go to wipe and wipe data
>Go to install and
flash fbe_disabler and
Flash permmissiver
(If needed for your device)
> Reboot system.....
- All files are there -
https://www.androidfilehost.com/?w=files&flid=279833