Telekom Deutschland

1996–2002
In 1996, DT began to brand its subsidiaries with the T- prefix, renaming the DeTeMobil subsidiary T-Mobil.

2002–2010
In 2002, as DT consolidated its international operations, it anglicized the T-Mobil name in German to T-Mobile. It also replaces T-D1 brand, although Germans sometimes continue to refer it as D1.

2010–2013
In 2010, T-Mobile business in Germany merged with its sister company T-Home and began to use Telekom branding in line with its parent, Deutsche Telekom.