How to change your card use
I need to change to a different card to buy
iPhone 12 Pro Max, iOS 15
Question marked as
Top-ranking reply
Sign in to your Apple ID account page and edit / update your Apple ID details.
On the Sidebar click Payment methods -> then tap Payments Methods and tap Manage payment method.
See also -> Change, add or remove Apple ID payment methods
Change, add or remove Apple ID payment methods – Apple Support (UK)