: Hold the power button on the TV (not the remote) and plug the power cord in. Continue holding until the LED indicator begins to blink, signaling the update has started.
Plug the USB into the TV's slot while the TV is unplugged. : Hold the power button on the TV
This specific file refers to a for a 4K Smart TV. It contains software needed to repair or update the television's mainboard. Technical Breakdown Hardware Platform ( MT5522S PC822 ) : This is the TV's mainboard model (specifically the TP.MT5522S.PC822 : Hold the power button on the TV