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Windows Phone 8.1
| Version of Microsoft Windows | |
 | |
 | |
| OS family | Windows NT |
|---|---|
| Version | 6.3 |
| Codename | Blue |
| Architecture | ARM32, x86 (WP 8.1 SDK only) |
| Release date | 2014-04-14 |
| Support end | 2017-07-11 |
Windows Phone 8.1 (codenamed 'Windows Phone Blue') is a version of the Windows Phone mobile operating system.
Windows Phone has its own versioning system. The build of Windows NT that a given build is based on is stated in the build's page.
List of known builds[edit | edit source]
Available build Confirmed build Unconfirmed build Fake build .svg){kind=logo}