Technicians often match firmware by the Main Board Number (e.g., TP.MS338.PC821) rather than just the TV model, as manufacturers sometimes change internal hardware during production. How to Use These Files
Place the extracted firmware file directly onto the root of the USB drive (do not put it in a folder). Installation: Turn off the TV and unplug it. Insert the USB drive into the TV's USB port. Download 43SU128 49SU131 55SU134 Firmware part06 rar
Since this is "part 06," it is not a standalone file. To successfully use it, you generally need to have (Part 01 through Part 06 or more) in the same folder to extract the final firmware image. Important Safety Warning Technicians often match firmware by the Main Board Number (e
Do not turn off the power until the process reaches 100%. The TV will usually reboot itself. Where to Find Help Insert the USB drive into the TV's USB port