And Microsoft expects the number to get much larger with the arrival of "universal" Windows apps.
The 4G LTE-ready Windows Phone 8.1 handset will be available on the carrier's prepaid wireless service on July 25.
The update code for Microsoft's mobile OS is being tested for new Lumia phones, says Windows Phone leader Joe Belfiore.
A sequel to the brilliant Lumia 620 is apparently ready for release, with benchmarkers spotting a Nokia phone running Microsoft's new OS.
If you're bored with Android and iOS, never fear. There's a ton -- well, five -- nascent mobile operating systems coming toward you. And that's a good thing, even if you're on one of the big two.
Case designs popping up in Hong Kong and online add to the pile of evidence that a skinnier slate is in the works.
As long as it stays at a sub-$1,000 price, the Sigma 18-35mm F1.8 DC HSM lens will be a great deal for photographers using APS-C dSLRs.
One of the best Android phones crosses over to Windows Phone 8.1. How does the transition work? We take a look.
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During its annual Build developer conference, Microsoft shows off the latest features of its mobile operating system.
Onstage at Build 2014, Microsoft's Joe Belfiore demos the Halo-inspired personal assistant software meant both to tout Bing and push Siri and Google Now aside with its cool factor.