Place all parts of the archive (part1, part2, part3) in the same folder and extract them to get the single firmware file (often ending in .bin or .img ).

Turn off the TV, plug the USB into the designated "Service" or USB port, and then turn the TV on. The board should detect the file and start the update automatically, often indicated by a flashing power light.

Indicates that the board has 512MB of RAM . Higher-end versions of these boards often come with 1GB or more.