- Backup all data through Google's dedicated backup feature
- Download AOSP recovery (#aosp_rec on https://t.me/Realme8iCommunity)
- Flash recovery through fastboot
- Reboot to recovery
- Format data (YOU MUST DO THIS.)
- ADB sideload the rom package
- Reboot device
- Reboot to recovery after first boot
- Flash Magisk zip/apk
- Reboot to system
- Go to recovery
- Flash rom through adb sideload
- Reboot
If coming from Another ROM then use format data! Else enjoy bootloop.