1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0bb53274-e81e-44d8-997d-8e5ee3c7a573.png?width=202&height=362)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-be36e3fd-d644-404d-8f94-1ed7b919effa.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/7140723-f-5b875936-c7f3-4679-9294-456f0f79893e.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/7140723-f-315df3df-98fb-4860-8f47-1fc147d492a0.png?width=202&height=362)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d2f97657-fbf7-49bf-b7ee-bfc4f1c777ee.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/7140723-f-24d623e3-ec70-4f14-a136-0a7e8ae9517c.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/7140723-f-5b875936-c7f3-4679-9294-456f0f79893e.png?width=202&height=362)