Re: Updating automatic payment information with new credit card number.

Hi !

Please see this support article for instructions on how to update your payment information:

From your iPad-

1. From the home screen, tap Settings > Cellular Data > View Account.
2. Log in using the email address and password that used during activation.
3. Tap Edit User & Payment Information.
4. Update as necessary, and then tap Done.

From the website-

1. Log in to your account at att.com/iPadlanding using the email address and password used during activation.
2. Select Edit User & Payment Information.
3. Update as necessary, and then select Submit.

Hope this helps!

Alison