How to flash ROM:
Make sure your either on MIUI 13+
Anything below causes it not to boot.
1) Download the recovery boot.img and ROM in the release folder
2) Install recovery boot.img using :
fastboot flash boot boot.img
3) Boot into it using power + volume up button
4) In recovery adb sideload must be enabled in the apply update section.
5) On your PC with the downloaded ROM, type in the terminal:
adb sideload <rom-name>.zip
6) Wipe data/factory reset
7) Reboot and enjoy