ok so my cell phone contract is up on the 17th i have at&t i did have a iphone 3gs 16 gig which i loved until i broke it i also have a sprint broad band card for my computer which that contract has been up 3yrs ago what i want to do is combine them both with a smart phone and use the phone as a hot spot for my computer my question is who do i go with what smart phone and plan my old plans are at&t 450min 200text 250mb data, sprint unlimited i roughly need 450min talk, 200 text is more then enough, data ??? a lot i like to listen to pandora while at work