The iPhone Upgrade Program enables people to get a new Apple handset every year and pay it off in monthly installments, interest free. The monthly payments come from a credit card or a bank account. It’s possible to change which one at any time.
Many people who used the Upgrade Program to get an iPhone 13 want to do this because a bug prevented an Apple Card from being used for this on the handset’s launch day.
Here’s how to switch to a new credit card or bank account for Apple’s installment plan.