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. :
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). Download TCL LED40D2939 Firmware part2 rar
Place both part1.rar and part2.rar in the same folder on your computer. Right-click part1
: 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. : Turn off the TV and unplug the power cord
: If community links are broken, you can try contacting the TCL After-Sales Team with your specific serial number to see if they can provide a direct download link.
Wait for the progress bar to reach 100%. The TV will usually restart automatically.