Windows 10 Mobile Build 10549 Known Issues
In order for current Insiders to update to the latest build is to roll back to Windows Phone 8.1, reinstall the Windows Insider app, and then update to build 10549. However, this isn’t the only issue, because the new build is releasing to the Fast ring, and Microsoft is also detailing a number of known issues that users have to be aware of before spending the time and upgrading to the latest version of the mobile operating system, which are listed below....