1. International add-ons: Qualified add-ons consist of select add-ons available to business and/or government customers (for their Corporate Responsibility User lines of service), select add-ons available to Individual Responsibility Users of such customers, and legacy unlimited international data plan customers.
2. Cellular networks on select airlines: For a list of participating airlines and enabled international flights (“Enabled Flight(s)”) go to att.com/globalcountries. Airlines and Enabled Flights are subject to change without notice. Passengers of qualifying airlines are not guaranteed to be on an Enabled Flight. Device must be on, with Airplane Mode and Wi-Fi turned off and data roaming and cellular data turned on to use the airline cellular network on an Enabled Flight. Airline cellular service is available on an Enabled Flight only at greater than 200 nautical miles outside of the U.S. border and above 20,000 feet cruising altitude. In the event of satellite interruption or regulatory constraint, airline cellular services may be disrupted or disabled.