1. Find "Face ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-ab26c213-9bd0-4fc1-a4cd-a6e724ffe518.png?width=312&height=446)
Press Face ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-40bb5989-2386-4c9b-8e80-28bb4133b7ab.png?width=312&height=446)
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-7e2d9c9e-0e1a-4743-8032-8fa291e20780.png?width=312&height=446)
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-e2f7c034-9ab2-4169-a56c-ba2553f18629.png?width=312&height=446)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-a11e430b-55b5-4878-a485-ad37657e24f0.png?width=312&height=446)
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-e2f7c034-9ab2-4169-a56c-ba2553f18629.png?width=312&height=446)
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-7e2d9c9e-0e1a-4743-8032-8fa291e20780.png?width=312&height=446)