Samsung Galaxy S9

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 iris scanning

Press Iris Scanner.

Create phone lock code using iris scanning

Press CONTINUE.

Create phone lock code using iris scanning

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 iris scanning

Press CONTINUE.

Create phone lock code using iris scanning

Follow the instructions on the screen to create the phone lock code using iris scanning.

Create phone lock code using iris scanning

Press the indicators next to the required settings to turn them on or off.

Create phone lock code using iris scanning

Press DONE.

Create phone lock code using iris scanning

Press the Return key.

Turn off use of phone lock code

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

Turn off use of phone lock code

Press None.

Turn off use of phone lock code

Press REMOVE DATA.

Turn off use of phone lock code

Press REMOVE.

Return to the home screen

Press the Home key to return to the home screen.