A:AnswerNo. This device is not certified with AT&T nor is it a 5G phone. You will be able to use 4G LTE with a T-Mobile SIM or any MVNO that works with T-Mobile.
A:AnswerNo I don't believe it is I got one and I went to about four different carriers and none of them was compatible went to about four different carriers and none of them are compatible
A:AnswerThe phone works perfectly with a T-Mobile sim card. I am a T-Mobile customer and bought it for a friend who is also a T-Mobile customer. In addition, it comes with a nice protective case.