How do I set up a 4-digit PIN, Touch ID, Face ID or Fingerprint login on the mobile app?

To create your 4-digit PIN, log in to the mobile app and navigate to Menu > Settings > Login Settings and tap Use PIN to enter your code.
Touch ID, Face ID or Fingerprint login is dependent on the operating system of the mobile device. To set it up, log in to the mobile app and navigate to Menu > Settings > Login Settings and tap Enable Face ID, Touch ID or Enable Fingerprint.