Buy More Data | At&t

You can get 10GB for $15 as either a one-time purchase (valid for 30 days) or a recurring monthly add-on. How to Buy: Sign in to your AT&T wireless add-ons page. Select the line you want to update. Find Hotspot data under "Get new add-ons." Choose Monthly or One time and select Add to device .

For most current unlimited plans, you don't "buy" more mobile data because it's already unlimited, though speeds may slow after a certain threshold. However, you can buy extra . buy more data at&t

Call 611 from your AT&T Prepaid phone (or 800.901.9878), say "More Options," then "Buy add-ons". Home Internet You can get 10GB for $15 as either