Windows Phone 8.1 build 14191
| Build of Windows Phone 8.1 | |
| OS family | Windows NT |
|---|---|
| Version number | 8.10 |
| Build number | 14191 |
| Build revision | 278 |
| Architecture | ARM32 |
| Build lab | WPB_CXE_R1 |
| Compiled on | 2014-10-08 |
| Base build | |
| 6.3.9651.0.winbluephone_gdr1.141003-1730 | |
Windows Phone 8.1 build 14191 is a build of Windows Phone 8.1, which was released to the Windows Update servers as an incomplete set of update packages.[1] This build was later shared as multiple eMMC dumps of Lumia 532 decives under LEO_HSPA_ROW_DSDS, LEO_HSPA_AMERICAS, and LEO_HSPA_AMERICAS_DSDS customization types on 25 February 2025.[2][3]