T-Mobile

T-Mobile is a major provider of voice and data services in the United States, partly owned by.

History
T-Mobile was founded the 2001 as the U.S. subsidiary of, which operates in Germany as Telekom. Telekom was the original exclusive carrier for the iPhone and iPad in the German market until late 2010. T-Mobile absorbed in a merger on April 1, 2020 that made it the second largest wireless carrier in the U.S. market.

Retirement of 3G service
Telekom shut down its 3G network in Germany in June 2020 to make room for faster 4G and 5G services. T-Mobile shut down its 3G UMTS network in the United States on July 1, 2022. This affected all older iPhone models that do not support (iPhone 5C, 5S and earlier). This also affected the 3G-enabled original iPad and iPad 2.