Windows 10 Mobile build 10051 (fbl impressive mob 150403-1824)

10.0.10051.0.fbl_impressive_mob.150403-1824
Build of Windows 10 Mobile
Screenshot
OS familyWindows 10 (NT 10.0)
Version number10.0
Build number10051
Build revision0
ArchitectureARM32
Build labfbl_impressive_mob
Compiled on2015-04-03
SKUs
Mobile
About dialog
Windows 10 Mobile-10.0.10051.0(fbl impressive mob.150403-1824)-About.png

Windows 10 Mobile build 10051 (fbl_impressive_mob.150403-1824) is an Insider Preview build of Windows 10 Mobile. It was released to Windows Insiders in the Fast ring on 10 April 2015.[1] This build can be downloaded and installed from Microsoft.[2]

What’s new[edit | edit source]

  • Project Spartan: An early version of Project Spartan is available in this flight.
  • New mail and calendar apps: Outlook Mail and Outlook Calendar are the new built-in mail and calendar universal apps for Windows 10.
  • New Phone and Messaging apps: Users will see the new Phone and Messaging apps in this build. The Messaging app has a new visual design.
  • New People app: The new universal People app has a new visual design.
  • New Maps app: The first preview of new universal Maps app on phone is now available.
  • Updated App Switcher: Added support for landscape when invoked from an app being viewed in landscape. For large phones like the Lumia 1520, a new grid layout has been introduced so users can be more efficient at switching between apps. The length of recently used apps has been extended to 15.

What’s fixed[edit | edit source]

  • The keyboard layout has been updated.
  • The Cortana icon resolution is fixed so it now scales with tile size.
  • An issue is fixed where the Photos app would fail to launch periodically when attempting to add a photo attachment to an email, OneNote or Facebook item.
  • An issue is fixed where the Microsoft Band wouldn’t sync with your phone after upgrading to Windows 10.
  • The Photos app’s tile will now pick up the phone’s theme color before it’s launched and then start showing pictures from your collection including OneDrive in the Live tile.

Known issues[edit | edit source]

  • There might be situations in which auto-upload of your Camera Roll to OneDrive may not be working.
  • The Office Hub has been removed from this build. Users won’t be able to open Word, Excel, PowerPoint or OneNote files in this build.
  • All Bluetooth-based interactions with Cortana are not working in this build.
  • After upgrade, some apps that have been installed onto a SD memory card will fail to launch.
  • About 1% of the time, incoming phone calls may not play a ringing sound.
  • Call + SMS filtering will not work after upgrade.
  • For people upgrading their phone from Build 9941, there is a bug in which your phone’s MMS settings will be lost after upgrade. The new Messaging app doesn’t yet have the ability to re-enter these settings.
  • Also for people upgrading their phone from Build 9941, the tiles on your Start screen for the Camera and Photos apps may be missing or corrupt.
  • On some phones, due to a scaling bug the dismiss button won’t be visible when an alarm is triggered.
  • On phones with 512MB of memory, apps can randomly crash due to an issue with memory management.
  • Flight mode cannot be enabled.
  • Data connections can’t be disabled.
  • Users may need to re-pin the Phone app after upgrade.
  • The Insider Hub is now included on Phone but may fail to launch on some phones.

Gallery[edit | edit source]

External links[edit | edit source]