Description |
If you want to know about upgrades, then you need to join the Att Customer Service. The experts will let you know you- first, update your bill. And you need to correct your address on your account. After that, you should be stored payment method current. Enter your account ID & the password. After that, you will see the upgrade option. Click on the upgrade. 1-833-554-5444 http://attcustomerservicephonenumber.com/ |