If you have the firmware file (e.g., extracted from "part1.rar"), follow these steps to flash it:
Format a USB flash drive (ideally 8GB or smaller) to FAT32 .
The process usually takes 3–5 minutes. The TV will restart automatically once finished. Safety Warnings Download TCL L43D2930S Firmware part1 rar
Place the firmware file (often named Update.img or a specific .bin name) directly into the root directory of the USB drive. Do not put it in a folder.
Ensure the firmware matches your specific panel and board model to avoid inverted colors or a flipped display. If you have the firmware file (e
Do not turn off the TV or remove the USB during the update, as this can "brick" the motherboard.
While holding the button, plug the TV back into the power outlet. Safety Warnings Place the firmware file (often named
Press and on the TV (not the remote).