Windows Phone 8.1

Windows Phone 8.1
Version of Microsoft Windows
Windows Phone 8.1.png
OS familyWindows NT
Codename'Windows Phone Blue'
Preliminary name
Development cycle
Latest build
Release date2014-04-14
Support end2017-07-11
Based on
Windows 8.1
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.

Builds[edit | edit source]

Update 1[edit | edit source]

Update 2[edit | edit source]