: 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.
Once you have downloaded all required parts (including part04) and extracted the .bin file, follow these steps to update your TV: Download MS338 PC822 1920x1080 Samsung REF60 part04 rar
: Insert the USB into the TV's USB port while the TV is unplugged. Plug the TV into power; a red indicator light should begin blinking, signaling the update is in progress. : Do not power off the TV while the light is blinking