If the extracted content is for a vehicle (like an Audi navigation update), you will likely need to move the files to an SD card:
Usually, "SiMo" refers to SIMOS or Simo related updates, often found in European car navigation or ECU firmware communities. SiMo13.part1.rar
Download and install WinRAR or 7-Zip .
Ensure the metainfo2.txt file and associated data folders are in the root directory of the SD card, not inside another folder. 4. Safety Precautions If the extracted content is for a vehicle