How to Root XIAOMI Mi TV 4A Pro 32" device? - HardReset.info
: Unlocking the bootloader, a necessary first step, will perform a factory reset and erase all your data. How to root XIAOMI Mi TV 4A Pro 32
If still on Android 6.0, use dirtycow exploit: How to Root XIAOMI Mi TV 4A Pro 32" device
Xiaomi restricts bootloader unlocking behind a waiting period (typically 7–15 days). a necessary first step