Samsung Galaxy A3 (2017)

Find "Lock screen and security"

Slide your finger downwards starting from the top of the screen.

Find "Lock screen and security"

Press the settings icon.

Find "Lock screen and security"

Press Lock screen and security.

Create phone lock code using a fingerprint

Press Screen lock type.

Create phone lock code using a fingerprint

Press Fingerprints.

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.

Create phone lock code using a fingerprint

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

Create phone lock code using a fingerprint

Press the indicator next to the required setting.

Create phone lock code using a fingerprint

Press DONE.

Turn off use of phone lock code

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

Turn off use of phone lock code

Press None and follow the instructions on the screen to turn off use of phone lock code.

Return to the home screen

Press the Home key to return to the home screen.