1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e47ad564-61fd-49a5-a998-09d1bcfb1b14.png?width=204&height=366)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ab12926b-6e74-4ede-b682-fdb90929cae9.png?width=204&height=366)
2. Turn on use of phone lock code
Press Turn Passcode On and key in a phone lock code of your own choice twice.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4e5c82a4-790b-4f81-aec1-44c4d9a40d61.png?width=204&height=366)
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/7151223-f-bfbc44c7-2c5e-4fe9-8e22-55b2b34a3bc5.png?width=204&height=366)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ad161171-4ec2-4f7a-b67d-b63affa622a9.png?width=204&height=366)
4. Turn off use of phone lock code
Press Turn Passcode Off and key in the phone lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ea50b950-db3c-4620-b854-ce0113554cb7.png?width=204&height=366)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4e5c82a4-790b-4f81-aec1-44c4d9a40d61.png?width=204&height=366)