so i deleted the wireless ap apk that at&t has on the phone. did it so that i could tether for free and get around the blocker that at&t had on the phone. well my phone just started messing up so at&t is sending me a refurbished captivate. I need to restore the phone back to normal. how do i get that program back again? i need to put it back on the phone or whatever so how do i do this? sorry... and thanks!