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Att sim cards only work in att phones or unlocked phones.vidk if t-moble would work or not anytime i have put my att sim card in a phone that was locked to another carrier it locked my att sim card up and i had to go to a corporate att store and get another one. Other than corporate att stores will charge you for a sim card. Straight talk will allow you to bring a LOCKED att, t-mobile or sprint phone to their service but not the other way around.
Sorry, there was a problem. Please try again later.Hey there, you can always check your phone's compatibility here: mintmobile.com/byop/#compatible
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