: You must have all parts (Part 1 through Part 17) in the same folder. If one is missing, the extraction will fail.

: Never turn off the TV during the update, as this can permanently "brick" the motherboard.

Searching for specific firmware parts like "part17.rar" for the often suggests you are dealing with a large, multi-part archive typically hosted on community forums or third-party file-sharing sites. Understanding Multi-Part Firmware Files

Press and hold the on the TV panel (not the remote).