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  2. John Legere - Wikipedia

    en.wikipedia.org/wiki/John_Legere

    Term. September 2012 – April 2020. Board member of. T-Mobile US. Children. 2. John Legere (born June 4, 1958) is an American businessman, former chief executive officer (CEO) and president of T-Mobile US. He previously worked for AT&T, Dell, and Global Crossing. He resigned as CEO following the approval of the merger of T-Mobile and Sprint.

  3. T-Mobile US - Wikipedia

    en.wikipedia.org/wiki/T-Mobile_US

    T-Mobile is the third-largest wireless carrier in the United States, after Verizon and AT&T, with 31.43% of the market share as of June 13, 2024. [6] The company was founded in 1994 by John W. Stanton of the Western Wireless Corporation as VoiceStream Wireless.

  4. Merger of Sprint Corporation and T-Mobile US - Wikipedia

    en.wikipedia.org/wiki/Merger_of_Sprint...

    Sprint Corporation and T-Mobile US merged in 2020 in an all shares deal for $26 billion. The deal was announced on April 29, 2018. [1][2][3] After a two-year-long approval process the merger was closed on April 1, 2020, [4][5][6] with T-Mobile emerging as the surviving brand. The Sprint brand was discontinued by T-Mobile on August 2, 2020.

  5. Attempted purchase of T-Mobile USA by AT&T - Wikipedia

    en.wikipedia.org/wiki/Attempted_purchase_of_T...

    On March 20, 2011, Deutsche Telekom AG accepted a US$39 billion stock and cash purchase offer from AT&T Inc. for T-Mobile USA, Inc. According to an industry analyst, after the introduction of the iPhone in 2007, T-Mobile USA began to lose lucrative contract customers, dropping to 78.3 percent of subscribers in 2010, compared to 85% in 2006.

  6. History of mobile phones - Wikipedia

    en.wikipedia.org/wiki/History_of_mobile_phones

    Enabling technology for mobile phones was first developed in the 1940s but it was not until the mid-1980s that they became widely available. By 2011, it was estimated in Britain that more calls were made using mobile phones than wired devices. [1] The history of mobile phones covers mobile communication devices that connect wirelessly to the ...

  7. T-Mobile (brand) - Wikipedia

    en.wikipedia.org/wiki/T-Mobile_(brand)

    T-Mobile is the brand name used by some of the mobile communications subsidiaries of the German telecommunications company Deutsche Telekom AG in the Czech Republic (T-Mobile Czech Republic), Poland (T-Mobile Polska) and the United States (T-Mobile US). The T-Mobile brand was introduced in 1996 and the name was previously used by subsidiaries ...

  8. Comparison of mobile phone standards - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_mobile_phone...

    GSM uses TDMA and FDMA for user and cell separation. UMTS, IS-95 and CDMA-2000 use CDMA. WiMAX and LTE use OFDM. Time-division multiple access (TDMA) provides multiuser access by chopping up the channel into sequential time slices. Each user of the channel takes turns to transmit and receive signals.

  9. HTC Dream - Wikipedia

    en.wikipedia.org/wiki/HTC_Dream

    The HTC Dream (also known as the T-Mobile G1 in the United States and parts of Europe, and as the Era G1 in Poland) is a smartphone developed by HTC.First released in October 2008 for $179 with a 2-year contract to T-Mobile, the Dream was the first commercially released device to use the Linux-based Android operating system, which was purchased and further developed by Google and the Open ...

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