1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7020124-f-16707c26-9a5e-41cb-a603-7d0d6a670293.png?width=296&height=396)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7020124-f-721f2c05-0628-4dcb-966f-1b50408018d7.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/7020124-f-a431c49d-bf37-4a9b-aa1b-2d9965b6328e.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/7020124-f-3d8d0f28-d840-4cf1-93c0-a2df59312cf0.png?width=296&height=396)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7020124-f-15197dc7-3779-4dfb-9b52-687c22e0baba.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/7020124-f-3d8d0f28-d840-4cf1-93c0-a2df59312cf0.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/7020124-f-a431c49d-bf37-4a9b-aa1b-2d9965b6328e.png?width=296&height=396)