MSGCU's Mobile Banking: Setting up Biometrics (Face or finger print authentication) on MSGCU's Mobile App. Enabling biometrics allows you to use your smartphone's facial or fingerprint recognition as a way to verify it's you when logging in to Mobile Banking versus inputting a password. This is convenient and adds an extra layer of security. After logging into the MSGCU app on your mobile device, select the menu icon at the top left of your screen. Then scroll to Settings and Biometrics. Move the toggle button next to "touch ID authentication" to On. You will be prompted to accept enabling biometrics. You have now successfully set up biometrics on your mobile device. Next time you log in to Mobile banking, you will experience the convenience of using your face or fingerprint to access your accounts.