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-47aa0ad2-b922-4d6c-8646-0a4141ccbc58.png?width=208&height=426)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fccf707e-0f5e-46ac-b3b5-3ae2cab37115.png?width=208&height=426)
Press Lock screen and security.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4fcd13ca-4f3e-494a-b8a6-a87b5cd074d3.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-43732311-b49f-434a-90ef-e35d52672f97.png?width=208&height=426)
Press CONTINUE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c21b5f00-5e30-4cd0-87ce-6e37e54eeb1c.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-775ef93f-5249-4ae5-84b9-a61bf51565a5.png?width=208&height=426)
Press CONTINUE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bc590de9-6128-4be8-b7ea-78a6577a8e4a.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-0ca5f93b-ae14-47a8-b060-a14177e06056.png?width=208&height=426)
Press the required settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-de4ef6c1-ebc4-43b0-b52a-aa45cee0fe6e.png?width=208&height=426)
Press DONE.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-de4ef6c1-ebc4-43b0-b52a-aa45cee0fe6e.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-a3f1d0b9-98d8-4cf1-a5b7-d9dd8c84dc7e.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-9563bec5-8dd2-4495-8204-7e1d2703a561.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-8a9079ac-9cdf-4bc7-bfb2-f887279f3fe6.png?width=208&height=426)