Copy this file directly to the (not inside any folder) of the USB drive. Flash the Firmware :
: Plug the drive into the USB 2.0 port on the side of the TV. Download File TCL V386 (CHASSIS MS6586).7z
: The TV will restart automatically once the process is finished, which usually takes about 4–10 minutes. Important Precautions Software Upgrade - TCL USA Copy this file directly to the (not inside