what is t mobile plus?
T-Mobile ONE Plus amps up the standard T-Mobile ONE plan for an additional cost. ... 20 GB of 4G LTE mobile hotspot data with unlimited 3G data. 2x the data speed abroad - In 210+ countries and destinations (approx. 256 kbps) Unlimited in-flight Wi-Fi on Gogo-enabled flights to, from, or within the U.S.