To enable a Biometric on your Apple or Android device: 

Apple devices: https://support.apple.com/en-us/HT201371

Android Devices: 

  1. Open your phone's Settings and locate the security or Biometrics menu.
  2. From this menu, set your Biometrics preferences to fingerprint or Face ID.

 

To enable a Biometric in Tower’s Mobile App:

After enabling Biometric login on your device, login to Tower’s Mobile App, Select More then the Navigation Gear.  Toggle ON Face ID or Fingerprint/Touch ID and follow instructions.