The physical board is universal. The firmware determines which specific LCD panel it talks to.
Unlike some modern boards that can be updated via a USB thumb drive, the M.NT68676.3 typically requires an external programmer. M.nt68676.3 Firmware
This is the hardest part. Novatek does not publicly host these files. Your sources are: The physical board is universal
Flashing this firmware is not like updating a Windows driver. It requires a hardware programmer. M.nt68676.3 Firmware
Unlike a plug-and-play monitor, this board must be flashed with a specific firmware configuration that matches your LCD panel’s resolution, voltage, and signal type. Core Specifications & Features