The firmware for the motherboard with 1920x1080 resolution (often for Samsung or similar LED/LCD panels) is typically available as a compressed .rar file through technician forums or shared archives like lcd tv led tv smart tv software . Firmware Installation via USB
Copy the firmware file (often with a .bin extension) directly to the of the USB drive. Do not put it in any folders, as the TV may not recognize it. Initiate the Update :
Turn off the TV and insert the USB drive into the USB 2.0 port.