This is a well-known repository for universal board firmware. Searching their site for "

A common site for LCD/LED firmware downloads often referenced in repair tutorials on YouTube

board. You can find their archive through their Facebook post which lists various resolutions.

universal LED TV control board, configured for screens with a .

Copy the .bin file to the root directory of a FAT32-formatted USB flash drive. Flash the Board: Power off the TV/Board. Insert the USB drive.

You can find download links for this specific resolution and board version on specialized technical repositories and community forums. Where to Download