1 Find "Touch ID & Passcode"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-dbafdfca-7904-4283-b6fa-529377071f2b.png?width=304&height=436)
Press Touch ID & Passcode.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-f6922499-563a-4ac7-877c-911ba512393f.png?width=304&height=436)
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/7070225-f-5aadaded-c130-4009-a0cb-64a07b0c0d93.png?width=304&height=436)
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/7070225-f-626e2875-4fe4-4961-a5cb-c1c0ffac41c0.png?width=304&height=436)
If you turn on the function, press Enable.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-f46fdbfc-5265-4b0d-a4b5-08ac332e1d48.png?width=304&height=436)
4 Turn off use of lock code
Press Turn Passcode Off and key in the lock code.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-626e2875-4fe4-4961-a5cb-c1c0ffac41c0.png?width=304&height=436)
5 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7070225-f-5aadaded-c130-4009-a0cb-64a07b0c0d93.png?width=304&height=436)