26 October 2011 Last updated at 05:29 ET
Nokia bets on Windows Phone future
Tim Weber
Business editor, BBC News website, at Nokia World
Nokia unveiled its new Lumia phones at a London event
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Finnish mobile phone maker Nokia has launched two new smartphones based on Microsoft's new Windows Phone 7.5 operating system.
link-
http://www.bbc.co.uk/news/business-15459118