UPDATE YOUR NAVIGATION DEVICE
Automotive GPS Updates
Portable automotive GPS units need to be connected with the computer using the USB cable provided by the manufacturers.
In-Dash Navigation update
Map data are mostly stored in SD cards in the In-Dash navigation systems, to update maps you will need to get a new SD card or update the existing one
Marine GPS Updates
To update your Marine GPS you will need to connect the SD card with the device details and order the right map for your device online.