The text "Download 1024x768 3663LU 81A bin" refers to the firmware update for (or similar DD3663 series) universal LED/LCD TV controller boards . This specific firmware is configured for a screen resolution of . Installation Instructions
Note : If the board does not recognize the file, users on 4PDA recommend renaming it to LUA36A81.bin or LUA63A81.bin . : Insert the USB drive into the board's USB port. Connect the keypad (7-key button board). Download 1024x768 3663LU 81A bin
until the light stops flashing, indicating the update is complete. The text "Download 1024x768 3663LU 81A bin" refers
To update your board with this firmware, follow these standard steps used by Alibaba technical guides : : Ensure the drive is formatted to FAT32. Download 1024x768 3663LU 81A bin