I can't change my expired credit card in Apple ID Payment Method
It won’t let me change my credit card the one on file is expired
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If this is about Wallet / Apple Pay (not sure if it is):
If the ONLY thing that changed is the expiration date, you don't need to (and in-fact can't) update it in Wallet.
A general rule to remember is "If the info actually displayed in wallet is unchanged ... don't try to change anything else"
