[Replace X.Y.Z with actual version number and insert links to downloads/support as appropriate.]
Using firmware meant for a different board version (e.g., 40-MS08BP) can permanently damage your TV. 40-ms801a-mac2hg firmware
Format a USB drive to and copy the .bin file to the root directory (do not put it in a folder). Insert the USB into the TV's USB Port 1 . [Replace X