AT&T recently updated its "Unlimited Your Way" lineup with higher data thresholds and streamlined naming.
You can typically add 5GB of data for $10 to most prepaid tablet or hotspot plans.
To buy extra data on AT&T, you can purchase an through your online account or the myAT&T app . The process and pricing depend on whether you have a postpaid or prepaid plan. How to Buy Extra Data
$15 for 10GB of high-speed hotspot data. This is available as a one-time purchase or a monthly recurring feature.
Navigate to and select the specific line you want to update.
You can manage your data additions directly through AT&T Wireless Support : to your myAT&T account or use the myAT&T app .