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Microsoft releases Windows 10 Mobile Build 10586

By Ng Chong Seng - on 19 Nov 2015, 9:39am

Microsoft releases Windows 10 Mobile Build 10586

Microsoft has just released Windows 10 Mobile Build 10586 to Windows Insiders in the Fast ring. Expectedly, this build focuses on bug fixes and general improvements; but more significantly, this is likely the RTM build for Windows 10 Mobile and the build to ship on the new Lumia 950 and 950 XL.

Here are the lists of fixes and known issues this build brings. Testers who installed Build 10581 previously and then subsequently factory reset your phone, make sure you read the known issues, as there’s a bug in 10581 that you need to be aware of.

Fixes:

  • Fixed the issue that caused the Start experience to become corrupted (garbled) after upgrading and restoring a backup from a phone that had a different resolution.
  • You should now be able to set your default save locations via Settings > System > Storage and it will correctly reflect the current storage settings. Your SD card should no longer show up as a garbled name in Storage settings either.
  • Moving apps to a SD card should no longer cause those apps to crash.
  • Made improvements to the Messaging + Skype app - through both app updates via the Store and also on the server side.
  • This should be seeing less resuming/loading text when switching apps.
  • The physical camera button should be working again if it wasn’t working for you before.
  • Apps and games should download from the Store more reliably.

Known issues:

  • After Microsoft released Build 10581 to Windows Insiders in the Fast ring, it discovered a bug in the build that will cause the filesystem to become partially corrupted after doing a factory reset. For those of you who did a factory reset of your phone, you most likely did not notice this issue on Build 10581. Due to this bug however, upgrading to Build 10586 will cause your phone to go into a reboot loop after the upgrade completes - rebooting at the Windows or operator logo. To recover your phone, you can use the hardware key combination to reset your phone which will then put it at the OOBE experience on Build 10586. Microsoft highly recommend that you make sure you do a backup your phone *before* upgrading to Build 10586 due to this bug. Additionally, you can also recover your phone by using the Windows Device Recovery Tool to go back to Windows Phone 8.1 and then upgrade to Build 10586.
  • Deploying Silverlight apps through Visual Studio to your phone still won’t work in this build. This issue will be fixed with the release of Visual Studio 2015 Update 1 on Nov. 30th. You can deploy UWP apps to your phone without any issues.
  • There is a known issue where the tile for Insider Hub still remains under All apps but doesn’t open. Insider Hub isn’t included in this build. There isn’t a way to get it back unfortunately. However, it’ll return in a future flight! In the meantime, use Insider Hub on the PC as a workaround.

Update, Nov 21: Windows 10 Mobile build 10586.11 has now hit the Slow ring.

Source: Microsoft.

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