A:AnswerHi I bought this phone like 5 months ago and used it in Mexico with no problem at all, it's not the first phone i bought from best buy unlucked. I've never had any problem with that personally and using an international esim
A:AnswerThe other person’s answer is WRONG. The answer is that Best Buy no longer has an active contract with T Mobile (previously Sprint), so you can’t trade in T Mobile devices to Best Buy anymore.