When you sign in with a password for the first time, Jabber will ask whether you'd like to use fingerprint or face recognition. Tap Yes to make this your default sign-in option.
The next time you start Jabber, follow your device's instructions to sign in with fingerprint or face recognition. If it doesn't work after three tries, you'll be asked to enter your password.
Jabber | Sign In with Fingerprint or Face Recognition
view(s) people thought this was helpful
You can use your device's fingerprint or face recognition system to sign in to Jabber quickly and securely.