If you are using a manual update because the Network Update is failing, follow these steps:
: Your USB drive must be formatted to FAT32 for the TV to recognize it. Download TCL L43D2930S Firmware part2 rar
Press and on the TV (not the remote).
: Copy the extracted .bin or update.img file directly to the root directory (not inside any folder) of the USB drive. 3. Perform the Manual Update If you are using a manual update because
Contact TCL Support with your serial number to receive a direct, verified download link. Download TCL L43D2930S Firmware part2 rar
While holding the button, plug the TV back into the power outlet.
Continue holding until the "Upgrading" or "System Updating" screen appears, then release.