Windows Phone 8.1

Windows Phone 8.1
Version of Microsoft Windows
Windows Phone 8.1.png
OS familyWindows NT
Version6.3
Codename'Windows Phone Blue'
Preliminary name
Development cycle
ArchitectureARM32
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.

Builds[edit | edit source]

Leaked build 8.10.12075.209.WPB_EXP_OFFICE(wpbldlab).20130428-1100
Unconfirmed build 8.10.12256
Confirmed build 8.10.12291.708.WPMAIN(wpbldlab).20140121-1405
Confirmed build 8.10.12292.712.WPMAIN(wpbldlab).20140122-2339
Confirmed build 8.10.12293.713.WPMAIN(wpbldlab).20140123-1411
Confirmed build 8.10.12298.723.WPMAIN(wpbldlab).20140129-1345
Confirmed build 8.10.12301.729.WPMAIN(wpbldlab).20140131-1417
Confirmed build 8.10.12303.733.WPMAIN(wpbldlab).20140204-1345
Leaked build 8.10.12307.741.WPMAIN(wpbldlab).20140206-1606
Confirmed build 8.10.12308.743.WPMAIN(wpbldlab).20140207-1329
Confirmed build 8.10.12311.749.WPMAIN(wpbldlab).20140212-1355
Confirmed build 8.10.12313.754.WPMAIN(wpbldlab).20140214-0043
Confirmed build 8.10.12317.762.WPMAIN(wpbldlab).20140219-1351
Confirmed build 8.10.12318.764.WPMAIN(wpbldlab).20140219-1530
Confirmed build 8.10.12320.767.WPMAIN(wpbldlab).20140220-1824
Confirmed build 8.10.12324.775.WPMAIN(wpbldlab).20140226-1354
Confirmed build 8.10.12325.777.WPMAIN(wpbldlab).20140227-1352
Confirmed build 8.10.12329.785.WPMAIN(wpbldlab).20140305-1404
Confirmed build 8.10.12335.797.WPMAIN(wpbldlab).20140310-1426
Confirmed build 8.10.12337.801.WPMAIN(wpbldlab).20140312-1614
Confirmed build 8.10.12342.811.WPMAIN(wpbldlab).20140317-1531
Confirmed build 8.10.12344.815.WPMAIN(wpbldlab).20140319-1523
Confirmed build 8.10.12346.819.WPMAIN(wpbldlab).20140321-1724
Confirmed build 8.10.12347.821.WPMAIN(wpbldlab).20140322-1624
Confirmed build 8.10.12348.823.WPMAIN(wpbldlab).20140323-1617
Confirmed build 8.10.12349.825.WPMAIN(wpbldlab).20140324-1553
Confirmed build 8.10.12352.832.WPMAIN(wpbldlab).20140401-1619
Confirmed build 8.10.12354.836.WPMAIN(wpbldlab).20140403-1509
Confirmed build 8.10.12357.842.WPMAIN(wpbldlab).20140406-1446
Confirmed build 8.10.12359.845.WPMAIN(wpbldlab).20140408-2050
Confirmed build 8.10.12365.857.WPMAIN(wpbldlab).20140416-1446
Confirmed build 8.10.12366.859.WPMAIN(wpbldlab).20140417-1707
Confirmed build 8.10.12369.864.WPMAIN(wpbldlab).20140422-1719
Confirmed build 8.10.12371.866.WPMAIN(wpbldlab).20140424-1604
Confirmed build 8.10.12374.869.WPMAIN(wpbldlab).20140429-1535
Confirmed build 8.10.12376.871.WPMAIN(wpbldlab).20140501-1531
Confirmed build 8.10.12380.876.WPMAIN(wpbldlab).20140505-1407
Confirmed build 8.10.12382.878.WPMAIN(wpbldlab).20140507-1548
Confirmed build 8.10.12387.884.WPMAIN(wpbldlab).20140515-1551
Confirmed build 8.10.12389.886.WPMAIN(wpbldlab).20140517-1535
Confirmed build 8.10.12393.890.WPMAIN(wpbldlab).20140522-2112
Confirmed build 8.10.12397.895.WPMAIN(wpbldlab).20140530-2215

Update 1[edit | edit source]

Confirmed build 8.10.14112.123.WPB_CXE_R1(wpbldlab).20140602-1551
Confirmed build 8.10.14115.126.WPB_CXE_R1(wpbldlab).20140605-1716
Leaked build 8.10.14116.127.WPB_CXE_R1(wpbldlab).20140606-1607
Confirmed build 8.10.14118.129.WPB_CXE_R1(wpbldlab).20140610-1427
Confirmed build 8.10.14120.131.WPB_CXE_R1(wpbldlab).20140612-1544
Confirmed build 8.10.14123.134.WPB_CXE_R1(wpbldlab).20140618-1440
Confirmed build 8.10.14126.137.WPB_CXE_R1(wpbldlab).20140623-0431
Confirmed build 8.10.14128.140.WPB_CXE_R1(wpbldlab).20140625-1606
Confirmed build 8.10.14130.144.WPB_CXE_R1(wpbldlab).20140627-1605
Confirmed build 8.10.14133.150.WPB_CXE_R1(wpbldlab).20140702-1607
Confirmed build 8.10.14134.154.WPB_CXE_R1(wpbldlab).20140707-1541
Confirmed build 8.10.14135.156.WPB_CXE_R1(wpbldlab).20140708-2002
Confirmed build 8.10.12400.899.WPMAIN(wpbldlab).20140709-1912
Confirmed build 8.10.14136.158.WPB_CXE_R1(wpbldlab).20140709-2135
Confirmed build 8.10.14137.160.WPB_CXE_R1(wpbldlab).20140710-1607
Confirmed build 8.10.14138.162.WPB_CXE_R1(wpbldlab).20140711-1548
Confirmed build 8.10.14139.163.WPB_CXE_R1(wpbldlab).20140712-1351
Confirmed build 8.10.14140.164.WPB_CXE_R1(wpbldlab).20140713-1307
Confirmed build 8.10.14141.167.WPB_CXE_R1(wpbldlab).20140715-1448
Confirmed build 8.10.14144.175.WPB_CXE_R1(wpbldlab).20140723-0852
Confirmed build 8.10.14147.180.WPB_CXE_R1(wpbldlab).20140725-1853
Confirmed build 8.10.14152.190.WPB_CXE_R1(wpbldlab).20140801-1551
Confirmed build 8.10.14155.196.WPB_CXE_R1(wpbldlab).20140806-1437
Confirmed build 8.10.14157.200.WPB_CXE_R1(wpbldlab).20140808-1639
Confirmed build 8.10.14160.206.WPB_CXE_R1(wpbldlab).20140813-1513
Confirmed build 8.10.14162.210.WPB_CXE_R1(wpbldlab).20140815-1425
Confirmed build 8.10.14165.216.WPB_CXE_R1(wpbldlab).20140820-1443
Confirmed build 8.10.14167.221.WPB_CXE_R1(wpbldlab).20140825-0015
Confirmed build 8.10.14169.225.WPB_CXE_R1(wpbldlab).20140826-1430
Confirmed build 8.10.14170.232.WPB_CXE_R1(wpbldlab).20140903-1800
Confirmed build 8.10.14171.234.WPB_CXE_R1(wpbldlab).20140904-1502
Confirmed build 8.10.14172.236.WPB_CXE_R1(wpbldlab).20140905-1532
Confirmed build 8.10.14176.243.WPB_CXE_R1(wpbldlab).20140910-1842
Confirmed build 8.10.14179.252.WPB_CXE_R1(wpbldlab).20140918-1543
Confirmed build 8.10.14180.257.WPB_CXE_R1(wpbldlab).20140924-1536
Confirmed build 8.10.14181.259.WPB_CXE_R1(wpbldlab).20140925-1703
Confirmed build 8.10.14186.268.WPB_CXE_R1(wpbldlab).20141001-1931
Confirmed build 8.10.14192.280.WPB_CXE_R1(wpbldlab).20141009-1623
Confirmed build 8.10.14203.306.WPB_CXE_R1(wpbldlab).20141030-1701
Confirmed build 8.10.14205.312.WPB_CXE_R1(wpbldlab).20141105-1708
Confirmed build 8.10.14207.316.WPB_CXE_R1(wpbldlab).20141107-1740
Confirmed build 8.10.14212.326.WPB_CXE_R1(wpbldlab).20141113-0438
Confirmed build 8.10.14214.329.WPB_CXE_R1(wpbldlab).20141115-0335
Confirmed build 8.10.14217.337.WPB_CXE_R1(wpbldlab).20141123-2149
Confirmed build 8.10.14219.341.WPB_CXE_R1(wpbldlab).20141125-1417
Confirmed build 8.10.14223.352.WPB_CXE_R1(wpbldlab).20141204-0914
Confirmed build 8.10.14226.359.WPB_CXE_R1(wpbldlab).20141210-1550
Confirmed build 8.10.14230.370.WPB_CXE_R1(wpbldlab).20141219-1446
Confirmed build 8.10.14231.372.WPB_CXE_R1(wpbldlab).20150105-1351
Confirmed build 8.10.14234.375.WPB_CXE_R1(wpbldlab).20150123-1722

Update 2[edit | edit source]

Confirmed build 8.10.15064.72.WPB_CXE_R2(wpbldlab).20141106-1740
Confirmed build 8.10.15073.82.WPB_CXE_R2(wpbldlab).20141118-2109
Confirmed build 8.10.15084.93.WPB_CXE_R2(wpbldlab).20141204-1412
Confirmed build 8.10.15091.100.WPB_CXE_R2(wpbldlab).20141211-2042
Confirmed build 8.10.15096.105.WPB_CXE_R2(wpbldlab).20141218-1705
Confirmed build 8.10.15100.109.WPB_CXE_R2(wpbldlab).20150108-1828
Confirmed build 8.10.15101.110.WPB_CXE_R2(wpbldlab).20150109-1617
Confirmed build 8.10.15105.114.WPB_CXE_R2(wpbldlab).20150116-1805
Confirmed build 8.10.15106.115.WPB_CXE_R2(wpbldlab).20150120-1726
Confirmed build 8.10.15107.116.WPB_CXE_R2(wpbldlab).20150121-1633
Confirmed build 8.10.15108.117.WPB_CXE_R2(wpbldlab).20150122-1632
Confirmed build 8.10.15109.118.WPB_CXE_R2(wpbldlab).20150123-1603
Confirmed build 8.10.15110.119.WPB_CXE_R2(wpbldlab).20150126-1653
Confirmed build 8.10.15111.120.WPB_CXE_R2(wpbldlab).20150127-1547
Confirmed build 8.10.15112.121.WPB_CXE_R2(wpbldlab).20150128-1631
Confirmed build 8.10.15113.122.WPB_CXE_R2(wpbldlab).20150130-1706
Confirmed build 8.10.15114.123.WPB_CXE_R2(wpbldlab).20150202-1804
Confirmed build 8.10.15116.125.WPB_CXE_R2(wpbldlab).20150205-1445
Confirmed build 8.10.15117.126.WPB_CXE_R2(wpbldlab).20150210-1624
Confirmed build 8.10.15119.130.WPB_CXE_R2(wpbldlab).20150213-1513
Confirmed build 8.10.15121.132.WPB_CXE_R2(wpbldlab).20150219-1612
Confirmed build 8.10.15124.135.WPB_CXE_R2(wpbldlab).20150224-1511
Confirmed build 8.10.15126.137.WPB_CXE_R2(wpbldlab).20150228-1412
Confirmed build 8.10.15127.138.WPB_CXE_R2(wpbldlab).20150302-1345
Confirmed build 8.10.15129.140.WPB_CXE_R2(wpbldlab).20150306-1432
Confirmed build 8.10.15131.142.WPB_CXE_R2(wpbldlab).20150311-1417
Confirmed build 8.10.15133.144.WPB_CXE_R2(wpbldlab).20150313-1418
Confirmed build 8.10.15135.146.WPB_CXE_R2(wpbldlab).20150317-1609
Confirmed build 8.10.15137.148.WPB_CXE_R2(wpbldlab).20150326-1548
Confirmed build 8.10.15140.151.WPB_CXE_R2(wpbldlab).20150406-1410
Confirmed build 8.10.15143.154.WPB_CXE_R2(wpbldlab).20150409-1254
Confirmed build 8.10.15145.156.WPB_CXE_R2(wpbldlab).20150415-1518
Confirmed build 8.10.15148.160.WPB_CXE_R2(wpbldlab).20150428-1513
Confirmed build 8.10.15153.165.WPB_CXE_R2(wpbldlab).20150526-1401
Confirmed build 8.10.15155.167.WPB_CXE_R2(wpbldlab).20150701-1731
Confirmed build 8.10.15156.168.WPB_CXE_R2(wpbldlab).20160111-1748
Confirmed build 8.10.15165.177.WPB_CXE_R2(wpbldlab).20160825-1953
Microsoft Windows
Desktop operating systems
Server operating systems
Mobile operating systems
Canceled operating systems
Windows 10 versions
Embedded versions
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