Tested on Redmi 8 (Olive) android 9,10 MIUI 10, 11
Files Needed
Youtube Video
Unlock Bootloader
- Install MiUnlock
- add Mi Acccount and Link in developer Setting
- reboot bootloader
- Open MiUnlock login to you mi account
- Choose Unlock
- fastboot reboot
Flash TWRP
- adb reboot bootloader
- fastboot flash recovery TWRP
- fastboot reboot +hold volument up
- install magisk
Stock ROM
https://xiaomifirmwareupdater.com/archive/miui/olive/