1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-4722e7ae-b85b-4c73-9deb-54d0b6ce906f.png?width=284&height=434)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-035b0c02-4fde-430d-8b7d-840f02ddbc39.png?width=284&height=434)
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-ffcbb255-8559-4e96-97e0-8e6b6d438bf5.png?width=284&height=434)
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-2dbc843b-c360-4bb9-8270-8a4db143b3fb.png?width=284&height=434)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-02435f9e-cb8d-4295-a7b4-878ae16cc04b.png?width=284&height=434)
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-2dbc843b-c360-4bb9-8270-8a4db143b3fb.png?width=284&height=434)
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-ffcbb255-8559-4e96-97e0-8e6b6d438bf5.png?width=284&height=434)