1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c7a9fbc1-a5c7-417e-8b68-9f02f77cbdf5.png?width=192&height=340)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e95ce89-75a4-4ddc-971b-5057e81c6595.png?width=192&height=340)
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-58f8648e-d7e1-4ea7-a752-dbb36d3fee00.png?width=192&height=340)
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-bb7a902d-b57f-4c94-97d0-7da7fca936c2.png?width=192&height=340)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-79568c1d-f641-4a04-a23d-5b55717a3bfa.png?width=192&height=340)
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-edb6ddd6-081a-47b2-9125-35f71c42ce6a.png?width=192&height=340)
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-58f8648e-d7e1-4ea7-a752-dbb36d3fee00.png?width=192&height=340)