

Hearing these reports, we of course decided to try it out. This problem would also exist if you're already running 8.1 and do a factory reset of your phone through the software. If you've got a phone that shipped with Windows Phone 8.1 and is running Windows 10, you might want to think twice before using the Windows Device Recovery Tool to roll it back, as some users are complaining that after doing so, they are unable to sign into a Microsoft account.
