Locate the main square BGA chip on the board. It will likely have a heat sink. Under the heat sink, you may find markings, but on this board series, the firmware is keyed to the specific SPI Flash memory.
Since this board is generic, installing the wrong software can "mirror" the image or cause a remote control mismatch. Check the Panel Sticker:
This board typically features:
Downloading and installing the correct can bring a dead LCD controller board back to life – or ruin it if you choose the wrong firmware. Always match the firmware to your exact panel model , back up the original, and prefer USB flashing over ISP programming unless necessary.
Offers specific firmware for TVs using this board (e.g., BBK models).
The standard method to flash the software via USB is as follows: