Flashing the wrong firmware (e.g., different RAM size or panel voltage) can permanently "brick" your board or damage the screen. Always verify your board number and panel sticker before proceeding.
Since "Part 4" indicates a split archive, you must ensure you have (Part 1, 2, 3, and 4) in the same folder before extracting, or the file will be corrupted. Common Sources for this Firmware: Download MS338 PB801 1366x768 512M REF35 part4 rar
until the process is 100% complete.
Place the .bin file in the root directory of the USB (not in a folder). Flash: Power off the TV at the wall. Insert the USB. Flashing the wrong firmware (e
Right-click Part 1 and select "Extract Here." You should get a file named allinstall.bin or similar. Common Sources for this Firmware: until the process
Often host bin files for these specific RTD/MSD chipsets.