How do I update my payment method in the App Store?

Since subscriptions are handled by Apple's App Store, all payments are made from the card linked to your Apple ID. To update your payment method on your iPhone:

1. Open the Settings app.
2. Tap your name.
3. Tap Payment & Shipping. You might be asked to sign in with your Apple ID.
4. From here, you can do the following:

• • Add a payment method — Tap Add Payment Method.
  • Update a payment method — Tap the payment method, then edit your information. You might need to enter the security code that's printed on your credit or debit card. 
  • Remove a payment method — Tap Edit, tap the red Delete button, then tap Remove. 

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For more help with updating your payment method click HERE