: Move the extracted firmware file directly to the root directory (not inside any folders) of the USB drive. Step 3: Flash the Firmware
: Official TCL updates often require the final file to be named exactly Update.img or SW_BIN for the TV to detect it. Step 2: Prepare the USB Drive Download TCL L40B2810 1920 1080 FIRMWARE part2 rar
: Right-click on Part 1 and select "Extract Here" using a tool like WinRAR or 7-Zip . This will automatically pull data from part2.rar to create a single readable file, usually ending in .bin or .img . : Move the extracted firmware file directly to
: Do not turn off the power. The TV will restart automatically once the update is complete, which typically takes about 4 minutes. This will automatically pull data from part2
: Plug the drive into the TV's USB port (use USB 2.0 if available). Forced Update :
Most legacy TCL models like the use a manual "forced" update method: Power Off : Turn off the TV and unplug it from the wall.