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Version of Microsoft Windows | |
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OS family | Windows NT |
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Version | 6.3 |
Codename | Blue |
Architecture | ARM32, x86[a] |
Release date | 2014-04-14 |
Support end | 2017-07-11 |
Based on | |
Windows 8.1 | |
Replaces | |
Windows Phone 8 | |
Replaced by | |
Windows 10 Mobile | |
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.
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