A:Answeras long as you return your phones to sprint, ATT wants to port over your number and that’s it, if you own your device that’s a plus and can be used for trade in value to bring your att bill down with activation fees and stuff
A:AnswerYou should be able to connect it to any wireless plan if it is an unlocked phone. Even take it to other countries and connect it over there! My sis in law bought iPhone here (unlocked) and she connected it in Mexico no problem.