Windows 10 Mobile build 9821

6.4.9821.0.winmain.140818-2006
Build of Windows 10 Mobile
OS familyWindows NT
Version number6.4
Build number9821
Build revision0
ArchitectureARM32
Build labwinmain
Compiled on2014-08-18
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Windows 10 Mobile-6.4.9821.0-Version.png

Windows 10 Mobile build 9821 is the earliest available build of Windows 10 Mobile. This build was shared on 23 December 2021.