you can always install a GPS program such as Tomtom or iGuidance. those programs will use the built in GPS receiver in the phone and you won't need the data plan
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If I don't have the data plan will I be able to use the GPS on this?
you can always install a GPS program such as Tomtom or iGuidance. those programs will use the built in GPS receiver in the phone and you won't need the data plan