: If you frequently run out of data, use the Change my plan tool to compare options like Unlimited Premium 2.0 , which offers completely uncapped high-speed data. For Prepaid Accounts
: Call 611 from your AT&T device (or 800-901-9878) and say "Buy add-ons". how to buy more data at&t
Prices and data allotments are based on AT&T's latest Unlimited Data Plans and Prepaid Data Plans. Manage Data Only Plan - AT&T Wireless Customer Support : If you frequently run out of data,