: Insert the USB drive into the board's USB port while the power is off.

: Connect the 12V DC power. The LED indicator should flash red and blue alternately, indicating the update is in progress.

: The lcd tv led tv smart tv software channel lists specific resolution archives, including a T.V53.03-1920x1200.rar file.

Download 3663lua A81 1920x1200 Firmware Usb Rar -

: Insert the USB drive into the board's USB port while the power is off.

: Connect the 12V DC power. The LED indicator should flash red and blue alternately, indicating the update is in progress.

: The lcd tv led tv smart tv software channel lists specific resolution archives, including a T.V53.03-1920x1200.rar file.