Hey,
Manual software updates
1. Long press on the top button to bring up the system menus.
2. Scroll down to Settings and select Start/Stop.
3. From here choose System and scroll all the way down to the bottom of the menu.
4. Here you'll find Software Update.
5. You'll see the version
6. Press select to confirm.
For further information you can visit our website:
Garmin Update Software | Garmin GPS Update