FOR ANY QUERIES, SCREENSHOTS AND DOWNLOADING CLICK HERE.
How To Flash/Install
you should have already updated your device to LOS 14.1 or RROS 7.1.2
Go to TWRP recovery and perform a factory reset !
Install AOSPA ROM & ( optional Gapps ARM 64 V7.1)
Need ROOT ?? ( optional SuperSU or Magisk )
Reboot to System
Enjoy !!!