Flashing the M.NT68676.3 is not done through a simple USB drive but requires specialized hardware and software.
Unlocking the Potential of Your M.NT68676.3 Universal Driver Board M.nt68676.3 Firmware
Community repositories (GitHub, Badcaps.net) host pre-modified firmwares for odd panels (e.g., 1920x540 bar-type displays). Flashing the M