How to use passcode to unlock the Sifely Y Gun Safe? Josh December 10, 2021 18:55 Updated Question How to use passcode to unlock? Answer Enter your passcode followed by # on the keypad to unlock. Related articles How to reset the Sifely Gun Safe? All you need to know about passcodes Permission Levels Why does my Sifely Deadbolt keypad not work, but my app does? How to factory reset the Sifely S Smart Lock? Comments 0 comments Please sign in to leave a comment.