Although, it’s a risk to install the Windows 10 preview on your phone, Microsoft is also making available the Windows Device Recovery Tool to roll back to your previous version of the operating system in case you brick your phone or issues begin to appear. If you bricked your phone or you just simply want to opt-out of the preview program, follow the steps below to roll back the operating system and remove Windows 10 Mobile.
How to unbrick your Windows 10 Mobile phone
If everything went as expected, you are now back to Windows Phone 8.1. You can install the Windows Device Recovery Tool on any Windows 7, Windows 8.1, and Windows 10 machine. All content on this site is provided with no warranties, express or implied. Use any information at your own risk. Always backup of your device and files before making any changes. Privacy policy info.