1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-9c598387-c2fb-47a8-b869-deaf15287d4e.png?width=284&height=378)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-ef89af7d-e8f5-4e49-b441-c770fb86bec0.png?width=284&height=378)
2 Turn on use of lock code
Press Turn Passcode On and key in a lock code of your own choice twice.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-f99c8d5d-281b-4101-9ec9-201cbb2a9035.png?width=284&height=378)
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/7030125-f-46c49823-fb64-4790-bb82-94a530a80786.png?width=284&height=378)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-dca5312a-e484-43b8-8b71-b16b65b637f4.png?width=284&height=378)
4 Turn off use of lock code
Press Turn Passcode Off and key in the lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-46c49823-fb64-4790-bb82-94a530a80786.png?width=284&height=378)
5 Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7030125-f-f99c8d5d-281b-4101-9ec9-201cbb2a9035.png?width=284&height=378)