iPhone Xs Max locked or unlocked - Is there a Difference in features/plan availability/performance?
I am going to purchase outright an iPhone Xs Max. I have an AT&T legacy plan which I will keep. I read that At&T offers the option for voice-over-LTE and wi-fi calling only on AT&T carrier locked phone at initial purchase, not unlocked ones. Is this true and are there other features in specifying an AT&T carrier phone at Apple store purchase that won’t be there vs Apple store unlocked phone which is ported to my AT&T plan? Availability of my specific iphone model wanted at this time prompts this unlocked vs locked purchase at this time.