1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-77386f20-4611-473e-a41a-f1e43616d220.png?width=204&height=366)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-619cafd6-a03b-466f-83ef-4d48b0637469.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/7140723-f-a6a9cf61-2ee1-4a66-8a3c-144b429a1569.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/7140723-f-22ba0ed5-d96f-4a90-ab0e-be167071583c.png?width=204&height=366)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-4e2bfb24-f16d-4c66-bcda-b2bd5899140e.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/7140723-f-72171927-bbd3-4211-a202-350ea6e88c44.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/7140723-f-a6a9cf61-2ee1-4a66-8a3c-144b429a1569.png?width=204&height=366)