If a new version is found, click Download . Once finished, select Restart Now .
Tap the Gear Icon in the top right corner of the home screen. Navigate to System: Go to Device Preferences > About .
This is the standard method used for 99% of updates. It’s automatic and won’t delete your apps or settings.
If your TV is stuck on the Mi logo (boot loop) or the OTA update fails, you can manually "flash" the firmware using a USB drive. How to do Latest OS Update in Any Xiaomi MI Smart TV