Microsoft Finally Delivers a New Build of Windows 10 Mobile to Insiders – Thurrott.com
Author: Paul Thurrott
Fully one month after its previous release, Microsoft has finally provided a refreshed new build of Windows 10 Mobile to Windows Insiders on the Fast ring. But build 10549 offers yet another complexity for testers to wrestle with: With this build, you have to upgrade from Windows Phone 8.1. That means wiping out any phones that are already using previous Insider Preview builds.
We are getting close to the launch of the first Windows 10 mobile devices, and the preview is still not in a good place.