1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-c9f6d450-0ffd-453c-8db4-1937b8764169.png?width=296&height=396)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-1bf4d252-3958-4929-8c0d-96abfeff284b.png?width=296&height=396)
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-03348028-7c05-4982-bcd0-325acbc5f9a8.png?width=296&height=396)
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-d2bbc858-2f23-4497-a1cf-5303780f8262.png?width=296&height=396)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-69a1aaf4-1e62-4d16-a31d-8b07edb3b3e5.png?width=296&height=396)
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-d2bbc858-2f23-4497-a1cf-5303780f8262.png?width=296&height=396)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-03348028-7c05-4982-bcd0-325acbc5f9a8.png?width=296&height=396)