Public archives have cataloged specific dump files for this model and its chassis (TP.MS1306.PB775):
Because TCL’s website does not always provide public download links for these specific bin files, it is recommended to contact the TCL after-sales team if the community files do not work. They can often provide a direct link to the correct software based on your serial number. Download FLASH DUMP TCL L40D2900 rar
— Often used for cross-compatible chassis versions. Public archives have cataloged specific dump files for
: Unpack the .rar file and copy the .bin or Update.img file to the root directory of the USB drive. Initiate Update : Power off the TV and insert the USB drive. Download FLASH DUMP TCL L40D2900 rar
Press and hold the on the TV (not the remote).
(2.3 MB) — Firmware specifically matched to the TP.MS1306.PB775 board.