: If you only have part2.rar , the extraction will fail. You must locate part1.rar from the same source to successfully rebuild the firmware file.
Right-click part1.rar and select "Extract Here" using a tool like WinRAR or 7-Zip. This will automatically pull data from part2 to create the full firmware file. : Download TCL LED40D2939 Firmware part2 rar
Copy the extracted firmware file (usually named V8-xxxxxx.bin or MstarUpgrade.bin ) directly to the root directory of the USB—do not put it inside a folder. : Turn off the TV and unplug the power cord. Insert the USB drive into the TV's USB port. Press and hold the Power button on the TV (not the remote). : If you only have part2
Use a USB drive (ideally 8GB or smaller) formatted to . This will automatically pull data from part2 to
Place both part1.rar and part2.rar in the same folder on your computer.