: Insert your prepared USB flash drive containing the update file into the primary USB slot (preferably labeled USB 1 or Service) on the side or back panel of the TV.
Click on System Update or Software Update , then select Update Now .
: Continue holding the Power button down for 5 to 10 seconds until you see the TV's standby LED indicator light start to flash rapidly. On some screens, an on-screen progress bar or a message saying "Upgrading software, please do not turn off" will appear. Release the power button once this behavior begins. How to do Latest OS Update in Any Xiaomi MI Smart TV
