1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-71405d83-2b08-4846-98e6-c658c610e4e5.png?width=202&height=362)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f940f2ce-bfef-41e4-bd55-347238037572.png?width=202&height=362)
2. Turn on use of phone lock code
Press Turn Passcode On and key in a phone lock code of your own choice twice.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bb648f46-0382-4d8e-8d79-812d65c67f45.png?width=202&height=362)
3. Turn deletion of data on or off
Press the indicator next to "Erase Data" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f6d2b16f-5a01-489d-ab7f-132d6914122f.png?width=202&height=362)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f403eaeb-f3d7-4b0c-9b75-aeb05d19bd54.png?width=202&height=362)
4. Turn off use of phone lock code
Press Turn Passcode Off and key in the phone lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a1673a11-8ee2-48e5-9eca-fda55d42f6b7.png?width=202&height=362)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bb648f46-0382-4d8e-8d79-812d65c67f45.png?width=202&height=362)