The smartphone add-ons still ask you to pay between $30 to $120 per month for a paltry 120MB to 800MB of data, but they now include unlimited SMS messaging and WiFi service (on Android and iOS) in the bargain.
In short, you won't run into any nasty overage fees simply because you got into a deep text conversation or uploaded too many vacation photos through one of AT&T's hotspot partners. These new one-time tiers are available now, and regular Global plans have received a matching upgrade if you routinely venture abroad.
Source: AT&T Newsroom
