1. On the standby screen, click "Application".
2. Slide screen click "Set".
3. Click on "My Device" and select "Lock Screen".
4. Click on "Screen lock".
5. Click "Face Unlock".
6. When displaying “ warning ” prompts on the screen, click "Next".
7. Display information about Face unlock “ message &rdquo, click "Settings".
8. Display the “ notice on the screen using the face Unlock ”, click "Continue".
9. Follow the on-screen prompts to identify your face on the screen.
10. After the recognition, the screen will display “ has captured the facial image &rdquo, click "Continue".
11. Display on the screen “ what kind of unlocking method do you want to use if your face is not recognized? &rdquo, select a way to unlock, take "PIN" code here for example. (Hint: Remember the password and use it when changing the unlock mode)
12. Follow the on-screen prompts to set the pin, at least 4 digits, input finished, click "Finish".
13. Repeatedly enter a confirmation pin, click "Finish".
14. When the screen tips “ success! After ”, click "OK".
After the above operation, when the screen lock, your face to the phone can unlock, if the unlock is invalid, use pin/pattern unlock auxiliary.
* This question takes I959 as an example, the concrete operation takes your mobile phone actual menu as whichever.