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Galaxy S21 Tip: Learn Biometric security [Samsung Android 12/One UI 4]

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3 years ago

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Samsung One UI 4.0 is now available for the Galaxy S21 series (as Beta testing activity) in select countries, which is based on Google’s Andriod 12 operating system. The beta program allows users to experience the upcoming OS ahead of the stable launch.

With One UI 4 Beta 2, Samsung has made various adjustments to the user interface and functions. In addition to new features, it also enhances the security and privacy of smartphones. So, in this article, we will discuss how you can enable biometric security on the Galaxy S21 smartphones.

What is Biometric security?

Biometric security provides a more convenient but less secure device confirmation method. Under the hierarchical authentication model, primary authentication (that is, patterns based on knowledge factors, such as PINs, patterns, and passwords) provides the highest level of security. Biometrics is the second layer of identity verification, providing a balance between convenience and security.

Biometric security includes:

  • Face recognition
  • Fingerprint scanner

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How to enable Face recognition on Galaxy S21 series?

You can enable Face Recognition to unlock your screen. To use your face to unlock your device, you must set a pattern, PIN, or password.

  • Face recognition is less secure than Pattern, PIN, or Password. Your device could be unlocked by someone or something that looks like your image.
  • Some conditions may affect face recognition, including wearing glasses, hats, beards, or heavy make-up.
  • When registering your face, ensure that you are in a well-lit area and the camera lens is clean.

Steps:

  1. From Settings, tap Biometrics and security > Face recognition.
  2. Follow the prompts to register your face.

Face recognition management:

Customize how face recognition works.

  1. Go to the Settings
  2. tap Biometrics and security
  3. Face recognition.
  • Remove face data: Delete existing faces.
  • Add alternative look: Enhance face recognition by adding an alternative
    appearance.
  • Face unlock: Enable or disable face recognition security.
  • Stay on Lock screen until swipe: When you unlock your device with face
    recognition, stay on the Lock screen until you swipe the screen.
  • Faster recognition: Turn on for faster face recognition. Turn off to increase security and make it harder to unlock using an image or video of your likeness.
  • Require open eyes: Facial recognition will only recognize your face when
    your eyes are open.
  • Brighten screen: Increase the screen brightness temporarily so that your face can be recognized in dark conditions.
  • About unlocking with biometrics: Learn additional information about securing your device with biometrics.

How to use Fingerprint scanner on Galaxy S21 series?

Use fingerprint recognition as an alternative to entering passwords in certain apps. You can also use your fingerprint to verify your identity when logging in to your Samsung account. To use your fingerprint to unlock your device, you must set a pattern, PIN, or password.

  1. From Settings, tap Biometrics and security > Fingerprints.
  2. Follow the prompts to register your fingerprint.

Fingerprint management:

Add, delete, and rename fingerprints.

From Settings, tap Biometrics and security > Fingerprints for the following options:

  • The list of registered fingerprints is at the top of this list. You can tap a fingerprint to remove or rename it.
  • Add fingerprint: Simply follow the prompts to register another fingerprint.
  • Check added fingerprints: Scan your fingerprint to see if it has been registered.

Fingerprint verification settings:

Use fingerprint recognition to verify your identity in supported apps and actions.

  • From Settings, tap Biometrics and security > Fingerprints for the following options:
  • Fingerprint unlock: Use your fingerprint for identification when unlocking your device.
  • Fingerprint always on: Scan your fingerprint even when the screen is off.
  • Show icon when screen is off: Show the fingerprint icon when the screen is off.
  • Show animation when unlocking: Show an animation when you use fingerprint verification.
  • About unlocking with biometrics: Read details on the requirements each biometric security feature has for using your pattern, PIN, or password as a backup.

Biometrics settings

Configure your preferences for biometric security options.

  1. Click on Settings
  2. Tap Biometrics and security
  3. Click on More biometrics settings for the following:
  • Show unlock transition effect: Show a transition effect when you use biometrics to unlock your device.
  • Biometrics security patch: View the software version of the biometric security features.
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