my fiance wants to order new iphone 4 tonight! She doesn't have a data plan, and would be obviously forced to do the 2 gb a month. her roommate has an original iphone and is really nervous about letting someone put their sim car din their phone for some reason. so, PLEASE HELP! all she has to do is place her sim card in the original iphone, go onto the web and load a webpage, or something. then simply take the sim card out, and go online and order the new phone and the site will know she has that data plan now? thanks, please let me knowASAP! thanks.