Samsung Galaxy Note7

Find "Screen lock type"

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

Find "Screen lock type"

Press the settings icon.

Find "Screen lock type"

Press Lock screen and security.

Find "Screen lock type"

Press Screen lock type.

Create phone lock code using iris scanning

Press Irises.

Create phone lock code using iris scanning

Press OK.

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.

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.