“T-Mobile “is one of the famous American mobile operators, a subsidiary of”Deutsche Telekom”. Hence the first letter in the title: “T” – “Telecom”. Until 2011, the company offered a wide range of its own mobile budget devices. It was possible to buy such devices at a reasonable price. The first cell phone models appeared in 2002-the year of the company’s opening in the US in Washington state in Bellevue. The apparatus was a push-button all-in-ones or sliders large screen. Gradually, the range of models was supplemented by budget smartphones, available to almost any working person. For example, T-Mobile Prism T-Mobile Prism II. These models combined versatility, performance at an affordable price. T-Mobile myTouch 4G, released in 2010, already supported the communication of the fourth generation. T-Mobile myTouch 4G Slide, released in 2011, is convenient for those who like typing, as it is equipped with a QWERTY keyboard. Currently, the company does not produce its own phones. Instead, it promotes new brands from “Samsung”, “Sony”, “HTC”, concluding contracts for the supply of devices. On its pages in social networks, the company publishes reviews, user opinions, reviews of modern innovations from well-known companies.