Ensure your USB stick is empty and formatted to FAT32 .

Turn on the TV. The board should automatically detect the software and begin the update, often indicated by a blinking standby LED.

This universal board integrates the power supply, LED driver, and TV signal processor into a single PCB. RDA8503.

Once the blinking stops or the TV restarts, the update is complete. You may need to enter the Service Menu (often Menu + 1147 or Source + 2580 ) to adjust panel settings like Mirror Mode or LVDS mapping if the picture looks distorted. Download Sources

HDMI, VGA, TV (ATV), Dual AV, and USB for multimedia playback. Power Input: AC 220V.