If you have all the parts of the firmware, follow these steps to install it:

The update will begin automatically. Do turn off the TV until it finishes and restarts. Resources & Downloads

Copy the extracted .bin file directly to the of the USB drive (do not put it in a folder). Initiate Update : Turn off the TV and unplug it from the power. Insert the USB drive into the USB 2.0 port.

is a common smart Android LED TV motherboard used by various manufacturers. The specific file you're seeking is a optimized for Samsung panels. Format : The .rar extension indicates a compressed archive.