: Restores or upgrades the TV's system software.
: Use software like WinRAR or 7-Zip to extract the contents of the .rar file. You should see a file named something like CtvUpgrade.bin . Download Ctv Upgrade rar
: Place the extracted firmware file directly in the root directory of the USB drive (do not put it in a folder). Flashing Process : Power off the TV and unplug it from the wall. Insert the USB drive into the TV's USB port. : Restores or upgrades the TV's system software