: Turn off and unplug the power cord from the wall.
Continue holding until the "Upgrading" or "System Updating" screen appears, then release. Download TCL L43D2930S Firmware part2 rar
: Installing the wrong firmware version can "brick" your TV (make it unusable). Always double-check that the firmware model name exactly matches L43D2930S . : Turn off and unplug the power cord from the wall
: Plug the drive into the USB port on the back or side of the TV. Trigger Update : Download TCL L43D2930S Firmware part2 rar
: Ensure you have both part1.rar and part2.rar in the same directory on your computer.
While holding the button, plug the TV back into the power outlet.
: Do not turn off the TV during this process. It will automatically restart once finished, which may take about 4 minutes. Where to Find Official Firmware