1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-694d4a07-b64d-4e90-ac45-5b32a3c1afda.png?width=304&height=436)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-211b4783-9b82-4468-ac6d-76a56f728e32.png?width=304&height=436)
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-f0bba371-f94e-4332-a3ac-151f8497ef27.png?width=304&height=436)
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-ad4d33f6-d335-4121-8856-358d450a0a28.png?width=304&height=436)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-5795f9e0-ba63-4062-a6da-6874afbaa99c.png?width=304&height=436)
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-ad4d33f6-d335-4121-8856-358d450a0a28.png?width=304&height=436)
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-f0bba371-f94e-4332-a3ac-151f8497ef27.png?width=304&height=436)