1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-a72e6ed0-4bf1-4f3f-afb6-6a34cc5f95b9.png?width=192&height=344)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-325a5c78-81a2-4318-8a6e-651005ef0244.png?width=192&height=344)
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/7140723-f-bac706b1-8db5-455e-8854-6067c4daee7a.png?width=192&height=344)
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/7140723-f-0db91ff9-9d8f-4c40-bb5d-79032a5018d3.png?width=192&height=344)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-d19e1141-7965-4bc8-826c-8c83b4cd210e.png?width=192&height=344)
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/7140723-f-e6165d24-bf91-4a87-bfbb-5a80b5c748eb.png?width=192&height=344)
5. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-bac706b1-8db5-455e-8854-6067c4daee7a.png?width=192&height=344)