A:AnswerOnce you turn on your new phone, it will be transferred via your Apple account. It’s just a transfer. If you are going from Android to Apple, you need to install Move to iOS on your Android phone.
A:Answerafter it is fully paid for you have to request an unlock code from AT&T and unlock the device to other carriers and countries. Just buy from Apple Unlocked then there is no issue what so ever
A:AnswerWireless and wired USB-C, lightning wired or headphone jack headphones will not work! Make sure to buy bluetooth headphones or the wired USB-C ones. For wireless I’d recommend AirPods or beats. Made by the same Apple company and work seamlessly with Apple devices. Also sold in the Best Buy app or stores!