Before attempting a manual USB flash, check if an over-the-air update is available:
Place the extracted file directly onto the root directory of the USB drive; do not put it inside a folder. Installation Process: Unplug the TV from the power outlet. Insert the USB drive into the TV's USB port. Download TCL 32D12 Software rar
Method 1: Using the Settings button / Quick Settings panel (common on TCL Google TVs) * Press the Settings button on your remote ( How to update the software on your TCL Android TV Before attempting a manual USB flash, check if
Wait for the process to complete; the TV will restart automatically. Alternative: Network Update Before attempting a manual USB flash