Answer
If you can’t change your payment information, update to the most recent version of iOS, iPadOS, or macOS. You may not remove all payment information if you have subscriptions, have an outstanding amount owing, or share purchases with your Family Sharing group. If you want to use no payment method with your Apple ID, contact Customer Service.
Fix – Apple iPhone Says Your Payment Method was
Apple
If you can’t change your payment information, update to the most recent version of iOS, iPadOS, or macOS. You may not remove all payment information if you have subscriptions, have an outstanding amount owing, or share purchases with your Family Sharing group. If you want to use no payment method with your Apple ID, contact Customer Service.
Check to see whether you’re in an area that supports Apple Pay. Make sure you’re using an acceptable device. Update to the most recent version of iOS, watchOS, or macOS. Make sure you’re using a card from a valid participating bank.
If the payment is rejected because it’s associated with a different address. Verify that the zip code on your card is correct. … Check to see whether the address listed on your statement corresponds to your current home address. If necessary, change the address.