So, for $60, users get talk, text and 2.5GB of high-speed data. For $70, users get unlimited high-speed data, which includes its current HSPA+ and LTE networks. Tethering plans are included, except for the $70 unlimited plan, which has a specific limit.
A second phone line can be added to existing plans for $30 per month, with each additional line for $10 per month.
Smartphones such as Samsung's Galaxy S4 will be available on the new data plans. T-Mobile did not announce a specific date and availability. Smartphones like the HTC One and BlackBerry Z10 will also be available on the new mobile plans.