Presumably, you'll need to take it out of the pouch to make a call. At which point, it will upload all it has gathered via nearby open wifi access point or, wit

Presumably, you'll need to take it out of the pouch to make a call. At which point, it will upload all it has gathered via nearby open wifi access point or, with the cooperation of your carrier, through the data link. If the carrier has any special incentives, the extra upload of data won't count against your usage so you may not even know that the upload took place.