- Sign in to att.com/myprepaid.
- Select Add-Ons and then select the add-on that you want.
- Select Continue.
- Follow the prompts to add or change your add-ons.
- To disable Auto-Renew for an add-on so that you won’t be charged for it again, select Manage Auto-Renew and toggle it off.
Good to know: Prepaid add-ons that are set to auto renew will renew every 30 days and the cost will be deducted from your AT&T Prepaid® balance.