Redmond-based software giant Microsoft is reportedly well underway with the development of the next major Windows Phone upgrade, and has already started to test it internally.
Supposedly set to land on devices as Windows Phone 8.1, the operating system is said to feature build number 8.10.12166.0 at the moment, as WPCentral reports.
Apparently, a Chinese developer has spotted this version number in their application, which suggests that someone at Microsoft might ha... (read more)
