Why do you want to use data?. With something like OSMAND, you can download the maps to your phone via wireless and then just use a gps signal for tracking. http://osmand.net/
Thanks, I thought there would be a way around using data but I wasn't sure.
@ACRe19 started
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Why do you want to use data?.
With something like OSMAND, you can download the maps to your phone via wireless and then just use a gps signal for tracking.
http://osmand.net/