Page: Can Windows Phone be erased if the device screen is locked? Page: Erasure process instructions for Windows Phone. Page: How is the factory reset done for a Windows Phone? Page: How much time does it take to erase a Windows Phone? Page: Is any interaction needed on the Windows Phone device during the erasure? Page: What are the pre-requisites for erasing Windows Phone? Page: What Windows Phone operating system versions are supported? Page: Why does Windows Phone erasure take so much time? Page: Why isn't the IMEI information displayed in erasure report after erasing a Windows Phone device?