How do I update my credit card (Apple App Store)

Please view this article for instructions on how to update your payment method through Apple, and tap here to access your account settings.

Or follow these steps: 

On your iPhone

Open the Settings app > Tap your name > Tap Payment & Shipping.

You might be asked to sign in with your Apple ID.

1. To add a payment method, tap Add Payment Method.
2. To update a payment method, tap the payment method, then edit your information.
3. To remove a payment method, tap Edit, then tap the Delete button.