1 Find "Lock screen and security"
Slide your finger downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c752ad55-c9d4-48f0-9468-b3a4adab67f3.png?width=208&height=426)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-91f6e27f-19e2-4f0b-83f1-a1452941378e.png?width=208&height=426)
Press Lock screen and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0606ba60-46c7-469e-9582-cfa55ef346cd.png?width=208&height=426)
2 Create phone lock code using iris scanning
Press Iris Scanner.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-280953a7-9299-42c8-89fc-61e6032799dd.png?width=208&height=426)
Press CONTINUE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-31ef8ce8-89b5-495d-b84d-a3d98ac89c33.png?width=208&height=426)
Press the required setting and follow the instructions on the screen to create an additional phone lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-81a78062-5a67-4edc-9e4a-bdc149db432d.png?width=208&height=426)
Press CONTINUE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6303d0d2-aebc-407e-b572-8db6c9d96c54.png?width=208&height=426)
Follow the instructions on the screen to create the phone lock code using iris scanning.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-f1417b10-85c2-4d73-b715-5bcb79f37ad7.png?width=208&height=426)
3 Turn off use of phone lock code
Press Screen lock type and key in the current phone lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-9dc99b96-a404-48e9-9f13-1cb581e85cd8.png?width=208&height=426)
Press None and follow the instructions on the screen to turn off use of phone lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-02c05936-3668-4395-a776-7eea59b24e15.png?width=208&height=426)
4 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-dd90434f-1c51-481d-9e81-eeedc7ae773d.png?width=208&height=426)