It looks like you're searching for specific firmware files to repair or update a TV (using the MS6486T PB753 Go to product viewer dialog for this item. motherboard with a 1920x1080 resolution).

Turn off the TV, insert the USB, and then power it on. Some models require holding the power button or navigating to Settings > Support > System Update > Update via USB .

Use the Firmware Request form if you can't find your model listed.

Once you have both part1 and part2 of the .rar archive, do the following: