What will happen if I don't choose a carrier?
I want to buy a new iPhone. I don't have a bund plan with my carrier At&T. I just need a unlocked iPhone. But seems here, there is a $100 price difference between choosing Carrier and just an unlocked iPhone. What will happen if I only choose an unlocked iPhone, and put my old SIM card in it? Do I have to choose At&T?
Thank you for helping, community.
iPhone 11 Pro