T-Mobile UK was previously known as One 2 One, and before that as Mercury One 2 One. One 2 One was in its final days operated as a joint venture between Cable and Wireless and American cable provider Mediaone Group, which had a number of investments in Britain dating back to its days as the US West Media Group. One 2 One was the world’s first GSM 1800 network when it launched in September 1993. T-Mobile offers both pay-as-you-go and pay-monthly contract phones. The pay-monthly contracts are branded as Flext for both 18 month and 12 month contract customers as of February 2007; T-Mobile’s 12 month contracts were previously branded as Relax. The network also offers other contract options for off-peak users and customers who call within network predominantly. T-Mobile launched their 3G UMTS services in the Autumn of 2003.
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