There are four ways Xiaomi update:
- Using recovery
- Using system update tool
- Using MiFlash (to recover or update Xiaomi with official firmware)
- Using Fastboot (to recover Xiaomi firmware)
If you want to install a Xiaomi update using recovery – download the official update, reboot your phone or tablet into recovery mode and click “Install update from SD card”.
With the system update tool you can flash full Xiaomi firmware, download it here:
and save it into internal storage, go to the settings – about phone – system update – choose update package – select downloaded rom, press “OK” and wait for the end of updating.