This is a multi device zip made for sprint samsung devices flashed to metropcs's cdma network. your phone most already be flashed with working internet for this fix to work. it does not flash your phone to metropcs it simply fix mms. if you have hangouts installed you most disable sms in hangouts and wifi off for mms to work on touchwiz
XDA Developers was founded by developers, for developers. It is now a valuable resource for people who want to make the most of their mobile devices, from customizing the look and feel to adding new functionality. Are you a developer?