How to install
- Download the Rom and Gapps from the link below.
- Reboot your phone into installed custom recovery.
- Wipe everything except internal storage and sd card.
- Now go to install and flash downloaded ROM and Gapps.
- Reboot and enjoy.
Revenge OS v4.0 Alpha Android 11 for Redmi Note 8 : Download
Gapps for Android 11 : Download