The Device-ID is a generated device product number from the NAVIGON app, which is used for the purpose of registering the appat the same time. The purchased in-apps of the NAVIGON app can be listed and found via this Device ID.

This is how you can find the device ID: 

  1. Start the NAVIGON app on your android device.

  2. Tap on the Menu on the top left side (block symbol/3 bars) and then Settings followed by General.

  3. Now select Product information.