Use a completely empty USB flash drive formatted to FAT32 .
Move the extracted file to the root directory of your USB drive. Do not put it inside any folders, or the TV won't recognize it. Flashing Process: Turn off the TV and unplug the power cord. Insert the USB drive into one of the TV's USB ports. Download CV338H A42 1366x768 Sony 4GB 512MB part03 rar
Plug the power cord back in. On many boards, the update starts automatically, and the standby light will flicker rapidly. Use a completely empty USB flash drive formatted to FAT32