Need to change my payment method from Amex to a Visa for my I Cloud account and I Tunes
Need to change my payment method from Amex to my Visa account for my ICloud and ITunes payments
iPhone XR, iOS 14
Please refer to this article: https://support.apple.com/en-us/HT201266 which, by the way is the same as the one displayed under Related Article at the top of this page.