T-Mobile

T-Mobile U.S. Inc. (NASDAQ: TMUS) is America’s supercharged Un-carrier, delivering an advanced 4G LTE and transformative nationwide 5G network that will offer reliable connectivity for all. T-Mobile’s customers benefit from its unmatched combination of value and quality, unwavering obsession with offering them the best possible service experienceand undisputable drive for disruption that creates competition and innovation in wireless and beyond. Based in Bellevue, Wash., T-Mobile provides services through its subsidiaries and operates its flagship brands, T-Mobile, Metro by T-Mobile and Sprint.

Timeline

August 2021

T-Mobile announced that a hacker had illegally accessed millions of customers' private data, with an American hacker named John Binns later claiming responsibility. Several class action lawsuits have been filed in relation to the data breach

2009

T-Mobile International AG was merged into Deutsche Telekom AG

July 2005

Deutsche Telekom transformed its structure and adopted a regional setup (Germany, Europe, USA). Where available, the local mobile businesses were combined with the respective local wireline businesses to follow the integrated business approach

2002

as DT consolidated its international operations, it anglicized the T-Mobil name to T-Mobile

1999

T-Mobile International AG & Co. KG holding company was founded (later renamed to T-Mobile International AG)

November 1996

DT was privatized and had the largest European IPO at the time, with the stock abbreviation 'DT 1'.

January 1995

Deutsche Bundespost Telekom was renamed Deutsche Telekom AG

July 1992

it began to operate Germany's first GSM network, along with the C-Netz, as its DeTeMobil subsidiary. The GSM 900 MHz frequency band was referred to as the "D-Netz", and Telekom named its service D1; the private consortium awarded the second license (now Vodafone Germany) chose the name D2

July 1, 1989

West Germany reorganized Deutsche Bundespost and consolidated telecommunications into a new unit, Deutsche Bundespost Telekom