Press and on the TV (not the remote).

: Installing the wrong firmware version can "brick" your TV (make it unusable). Always double-check that the firmware model name exactly matches L43D2930S .

While holding the button, plug the TV back into the power outlet.

TCL does not always list firmware files publicly on their website. If you are missing part of the archive, it is safest to:

: 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

Updating your firmware via a multi-part RAR archive is a specific process often used when standard network updates aren't available. Since you are looking for "part 2," it is critical to ensure you have all parts (usually part 1 and part 2) in the same folder before extraction for the firmware to work correctly. How to Prepare and Install TCL Firmware