Download - 3663lua A81 1920x1200 Firmware Usb Rar

: Ensure the firmware exactly matches your panel's voltage (e.g., 3.3V, 5V, or 12V) using the jumpers on the board before powering it on to avoid damaging your screen.

: Once the LED stops flashing, the process is finished. Unplug the USB drive and restart the board. Download 3663LUA A81 1920x1200 Firmware USB rar

: Connect the 12V DC power. The LED indicator should flash red and blue alternately, indicating the update is in progress. : Ensure the firmware exactly matches your panel's