Modern Navigon maps consist of specific file types:

works, it is an outdated solution. If you require accurate, current European navigation, consider:

Since Garmin acquired Navigon and eventually discontinued support for legacy Navigon devices, the official software often fails to recognize or update these devices properly. Furthermore, official updates are no longer available for purchase. A patched map update usually refers to:

with European maps is possible through community-driven patches, allowing you to keep a reliable piece of hardware functional. However, as of 2026, this should be considered a temporary solution compared to modern, connected navigation apps.

Corresponding .nfs files (important for landmark/3D display) 2. Backup Your Existing Device (Crucial) Connect your Navigon 310 to your PC via USB. Open the device in Windows Explorer.