Install for Improved Facial Recognition
If you sometimes (or always) use your face to unlock your Galaxy S10, note that Samsung's version of Android 10 brings some nice upgrades to face recognition.
Maybe the best addition is the ability to add an alternative look. This is big for those of you that like to change your look from time-to-time.
So let's say you setup face recognition when you were clean shaven with short hair. However, you recently decided to let your hair and facial hair grow out.
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If you setup an alternative look, you'll now be able to unlock your phone using both looks whereas before your phone would only recognize the look you had when you first set it up.
You'll find the feature in the face recognition section of your Galaxy S10's Biometrics and security menu.