Ensure you have both part1.rar and part2.rar downloaded.
Plug the flash drive into the USB port of the TV. Flash the Firmware: Download MS338 PC821 1920x1080 Santron India ref66 part2 rar
Once you have extracted the actual firmware file, follow these steps to install it on your Smart TV: Ensure you have both part1
Move all parts into the exact same folder directory on your PC. Download MS338 PC821 1920x1080 Santron India ref66 part2 rar