1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-ddfb152b-6025-45ee-a536-8607ab3ca79c.png?width=336&height=448)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-47079d3c-d69e-43aa-995b-a754eac7e355.png?width=336&height=448)
2 Turn on use of lock code
Press Turn Passcode On and key in a lock code of your own choice twice.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-0b99319c-2716-4df0-b4d8-600b9c3fb3ac.png?width=336&height=448)
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/7070225-f-ad71ee3c-a667-4234-bf12-17ca79169bc1.png?width=336&height=448)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-0f54ed98-c9ec-453d-ada3-83361be1a160.png?width=336&height=448)
4 Turn off use of lock code
Press Turn Passcode Off and key in the lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-ad71ee3c-a667-4234-bf12-17ca79169bc1.png?width=336&height=448)
5 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-0b99319c-2716-4df0-b4d8-600b9c3fb3ac.png?width=336&height=448)