5. First copy the "UPD" file to the micro SD card.
6. Then copy the rest of the files to the micro SD card.
7. Take the Grundig navigation system and do NOT switch it on. Also make sure that
the Grundig navigation system is not connected to any power supply.
8. Insert the micro SD card into the micro SD port of the Grundig navigation system.
9. Connect the Grundig navigation system to a power supply.
The Grundig navigation system starts automatically and starts to overwrite the
firmware.
The navigation system is ready when the system produces a sound and the main
menu is shown.
10. Turn off the Grundig navigation system, and then remove the micro SD card.
11. Press the “RESET” button on the back of the navigation system to restart it.
