The Multi-Pass Authenticator app allows users to manage and troubleshoot their Multi-Pass card. The first release of the app will enable you to:

Update your Multi-Pass applet version
Set a PIN on a card that doesn't have one
Change a PIN on an existing card
Reset all credentials on a card
Show the number of PIN retries remaining (card PIN)
Show the number of UV retries (user verification)
Show the number of biometric retries