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Samsung Galaxy A21 - Set Up Fingerprint Recognition

2026-10-22 20:07:48.005

Samsung Galaxy A21 - Set Up Fingerprint Recognition

Here's how to set up fingerprint recognition on your Galaxy A21.
  • A fingerprint is utilized to unlock the device.
  • For the fingerprint scanner to operate, hands must be clean and free of moisture, dirt, oil, lotion, dyes, etc.
  • Up to 3 fingerprints can be registered on the device.
  1. From a Home screen, swipe up from the center of the display to access the apps screen.
    These instructions only apply to the default Home screen layout.
  2. Navigate:
    Settings Settings icon
    Biometrics and security
    .
  3. From the Biometrics section, tap
    Fingerprints
    .
  4. Enter the current PIN, password or pattern.
    A secure screen lock is needed before you can register fingerprints. If needed, tap
    Continue
     then refer to Enable / Disable / Modify Screen Lock.
    for assistance.
  5. Tap
    Continue
     then follow the on-screen tutorial to scan your fingerprint.
    Repeat as needed until the process is complete.
    Fingerprint Sensor
  6. Tap
    Done
     (lower-right).
  7. Tap the
    Fingerprint unlock switch
     to turn on Switch on icon or off Switch off icon.