1. Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-b0bd629c-49fb-4b8d-b764-bb5b2f5533f9.png?width=208&height=368)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0cad48ac-05ab-4dc7-8650-2132fa76eb73.png?width=208&height=368)
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-a14ce309-49dd-40fb-bb94-815e1c8587b0.png?width=208&height=368)
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-b53dc2b6-8c1f-4a84-a530-ba513ae260ca.png?width=208&height=368)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c09acfa5-db1d-45e4-8689-c886685ad9cf.png?width=208&height=368)
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-58de2378-894c-4ff9-aba5-86d89459a6df.png?width=208&height=368)
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-a14ce309-49dd-40fb-bb94-815e1c8587b0.png?width=208&height=368)