How | To Root Xiaomi Mi Tv 4a Pro 43

Many Mi TVs have a recovery-from-boot.p file that overwrites TWRP on reboot. To prevent that, after booting into TWRP, go to Advanced → Terminal and run:

After rooting your XIAOMI Mi TV 4A Pro 43, verify root access using: How to root XIAOMI Mi TV 4A Pro 43