is t-mobile owned by another company
T-Mobile is the brand name used by the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG. The brand is active in Austria (under the subsidiary T-Mobile Austria), the Czech Republic (T-Mobile Czech Republic), the Netherlands (T-Mobile Nederland), Poland (T-Mobile Polska), and the United States (T-Mobile US). The name was previously used by subsidiaries in other countries, including Albania (now Telekom Albania), Croatia (now Hrvatski Telekom), Germany (now Deutsche Telekom), Hungary (now Magyar Telekom), Macedonia (now Makedonski Telekom), Montenegro (now Crnogorski Telekom), the United Kingdom (now EE Limited), Romania (now Telekom Romania), and Slovakia (now Slovak Telekom).
T-Mobile