Move the extracted firmware file to the root directory of the USB drive (not inside a folder). Update TV: Turn off the TV. Plug the USB into the TV's USB 2.0 port.
Installing the wrong firmware can "brick" your TV. Ensure your board number matches MS6586T 751 exactly before proceeding. Use at your own risk. Move the extracted firmware file to the root
You must have Part 1, Part 2, Part 3, and Part 4 in the same folder on your PC. Move the extracted firmware file to the root