It takes more than a sleek operating system to make a successful smartphone. Even with the 500 improvements announced Tuesday in the Windows Phone OS update called Mango , some analysts are concerned ...

Microsoft is upping its ante in the smart phone market. It recently previewed the next iteration of its Windows Phone software, code-named (and now more or less officially named) “Mango.” Will it have ...

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WSJ's Digital Solution Columnist Katie Boehret get her hands on an early version of a smartphone running Mango software, Microsoft's new software update for Windows Phone devices. She gives us her ...