i got the phone at radioshack for $150, and its been acting funky ever since i bought it, like dropping 3g, not sending MMS/SMS at times, force closing, and freezing! i talked to virgin mobile and they said it could be a bad phone. i'm still withiin my 30 day refund at radioshack. what would i have to do to return to radioshack and get a new at target for $129 but keep all same numbers.