carrier authentication hangs set-up of iphone 12 set up
In quick or manual set-up, of new iPhone 12, dI get a screen to validate phone number, next screen asks billing zip and last four of SSN. Continue button disappears and doesn't return after entry ... Apple Support says the screen is not a part of set-up (*&^%??!). Why is it showing up and how do I get past it?
iPhone 12