: Do not power off the TV while the light is blinking. Once the blinking stops and the light stays solid red, the update is complete, and you can remove the USB drive.
Installing the wrong firmware version can permanently "brick" your TV. Ensure your mainboard model ( TP.MS338.PC822 Download MS338 PC822 1920x1080 Samsung REF60 part04 rar
) and panel resolution () exactly match the firmware description. : Do not power off the TV while the light is blinking