Blackberry Maps, which comes with your phone has maps that download over the air. You can use a bluetooth GPS puck such as Pharoes and it will display your position and speed and download new maps as you drive, but it will not give you audible directions. When you download directions it displays turn by turn written directions at the bottom of the screen that you can scroll through and it highlights your route on the map, but it is not a full function GPS like a Garmin or a Tom-Tom.
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