Hold the on the TV body and plug it back in; release once the LED begins to blink to start the forced update TCL Manual Update Guide . Firmware Repositories
Always ground yourself before handling the mainboard. One electrostatic discharge can destroy the NAND flash containing what little firmware is left on the chip. 40-ms801a-mac2hg firmware
: Ensure the firmware file is correctly named and placed in the USB root. Power Down : Unplug the TV from the power outlet. Insert USB : Plug the drive into the TV's USB port. Hold the on the TV body and plug