To update your credit card or debit card enrolled in AutoPay, follow these instructions:
1. Sign in to MyMobile
2. Tap My bill at the bottom of the screen
3. Tap Payment methods
4. Tap Change Autopay card
5. Select from the dropdown menu a different card
6. Tap to check the box "I agree to AutoPay with the above card"
7. Tap Agree and submit
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