The required firmware file for the mainboard (1920x1080 resolution, Samsung remote, Mirror BIN) can be found through specialized community repositories. Firmware Download Links
Place the downloaded .bin file into the root directory of the USB drive. Ensure it is named correctly (usually allupgrade_v59_pa671.bin or similar, depending on the board's specific bootloader requirements). Flash the Board: Turn off the TV and unplug it from the power source. Insert the USB drive into the TV's USB port. Download VST59 PA671 SAMSUNG REMOTE 1920 1080 MIRROR BIN
Format a USB flash drive (8GB or smaller is recommended) to FAT32 . The required firmware file for the mainboard (1920x1080
Plug in and turn on the TV. The indicator light should start blinking, signifying the update is in progress. signifying the update is in progress.