it will work if it is unlocked by At&t. I know iPhone X sold by At&t isn't going to work on CDMA Verizon or Sprint but it should work fine on any international GSM network if it is unlocked. Apple sells SIM free unlocked versions which support any network worldwide.
it will work if it is unlocked by At&t. I know iPhone X sold by At&t isn't going to work on CDMA Verizon or Sprint but it should work fine on any international GSM network if it is unlocked. Apple sells SIM free unlocked versions which support any network worldwide.