I'm a college student and live pretty far away from home. I plan on preordering the iphone that comes out on wednesday. My mom used my upgrade to get a new phone a while back, so this time i'm using her upgrade. When I order the new phone, it will be under my moms #. Will I have to go back home to my local att with my mom to get things straighted out or can I just go to an att around where i go to college to get the new phone working for me. Thanks in advance for your replies.