Windows 10 Mobile build 9857
| Build of Windows 10 Mobile | |
| OS family | Windows NT |
|---|---|
| Version number | 6.4 |
| Build number | 9857 |
| Build revision | 0 |
| Architecture | ARM32 |
| Build lab | fbl_partner_qc |
| Compiled on | 2014-10-07 |
Windows 10 Mobile build 9857 is a build of Windows 10 Mobile, which was uploaded to the BetaArchive FTP on 6 January 2020.