Thanks @droidprincess. In the past, data always ate up the promo data first then went to the paid data so any data leftover should be rollover data. I currently have 16gb promo data and 18gb paid data ($100). I may go for the $90 16gb with safety mode.I just upgraded to the new plan @TisMyDroid you do keep the promotional data! I had 6gigs of promo data and it's still there.
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