Samsung Galaxy A21s

1. Find "Biometrics and security"

Slide two fingers downwards starting from the top of the screen.

1. Find "Biometrics and security"

Press the settings icon.

1. Find "Biometrics and security"

Press Biometrics and security.

2. Create phone lock code using a fingerprint

Press Fingerprints.

2. Create phone lock code using a fingerprint

Press Continue.

2. Create phone lock code using a fingerprint

Press the required phone lock code and follow the instructions on the screen to create an additional phone lock code.

2. Create phone lock code using a fingerprint

Follow the instructions on the screen to create the phone lock code using your fingerprint.

2. Create phone lock code using a fingerprint

Press Done.

2. Create phone lock code using a fingerprint

Press the Return key twice.

3. Turn off use of phone lock code

Press Lock screen.

3. Turn off use of phone lock code

Press Screen lock type and key in the additional phone lock code.

3. Turn off use of phone lock code

Press None.

3. Turn off use of phone lock code

Press Remove data.

3. Turn off use of phone lock code

Press Remove.

4. Return to the home screen

Press the Home key to return to the home screen.