Requirements: 1. Device (Redmi note 4) 2. Unlock bootloader text tutorial or, video tutorial 3. Custom recovery (twrp) installed in phone text tutorial or, video tutorial Steps: 1. Download latest ROM zip file 2. Download Gapps file. Flamegapps basic is tested. 3. Download magisk (if you want to root your phone) 4. Go to twrp recovery by pressing power button and volume up button simultanously. 5. Take backup from recovery (if you want to be on safe side) 6. Wipe System, Data, Cache, Dalvik, Vendor 7. Install the downloaded ROM zip file named AospExtended-v8.0-mido-***.zip 8. Install the downloded Gapps file named FlameGApps-***.zip 9. Install magisk (only if you want to root your phone) 10. Reboot to system 11. Wait till phone gets ready to use.