Restore BlackBerry Passport in Windows XP, Windows Vista and Windows 7 There are two ways to do a reset on a BlackBerry Passport one by connecting to a Windows or Mac computer and another from the mobile itself.
You must bear in mind that a reset or return to the factory state in a mobile deletes all its content, so you must make a backup of your data before doing it if you do not want to lose everything.
If your smartphone BlackBerry Passport it works very slow, it hangs, you want to bypass screen lock, or you have a full memory, and you want to erase everything, or you want to sell it or give it away and you want nobody to be able to access your files and passwords you can do a factory reset so that it returns to be like the first day.