Even though Net Applications pegged Windows Phone 8.1's user share for February at 59% of all Windows Phone devices, a sizable chunk -- 28% -- ran Windows Phone 8.0 that month. (About 13% of all Windows Phone smartphones ran the even older Windows Phone 7.5.)
Currently, both Windows 10 and Windows Mobile 10 are in the midst of their Technical Preview phases. Microsoft updated the former yesterday, but said one for the latter was not yet ready.
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