Windows Phone 8.1

Windows Phone 8.1
Version of Microsoft Windows
Windows Phone 2012.svg
WindowsPhone8.1-8.1.12358.1191-Start.png
OS familyWindows NT
Version6.3
CodenameBlue
Preliminary name
Semester
ArchitectureARM32, x86 (WP 8.1 SDK only)
Latest build
Release date2014-04-14
Support end2017-07-11
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.

List of known builds[edit | edit source]