AT&T ups smart phone 'early upgrade' fee from $75 to $200[ Fri, 8 Oct 2010 23:40:00 GMT ]If you're under an AT&T cell phone contract but are dying to upgrade early to the next great smart phone, you now will pay more to get it: $200, as of Oct. 3, up from the previous $75 fee. The change does not apply to the iPhone.