Unofficial but active communities on or Telegram (search “TCL firmware”) often host legitimate update files. Be extremely cautious of viruses or modified firmware.
: Plug the USB drive into a USB port on your TV.
The “L40S6500” is the primary model number, but TCL often has sub-variants based on the manufacturing date and target continent. Before you search for the , locate the sticker on the back of your television. Look for the following:
Some users have reported bugs and issues with the TCL L40S6500 firmware, including: