2. First of all, we open the settings and see that the columns of fingerprint, face and password are used to lock the screen.

3. Click in, open the lock screen password and set the password. After pressing the power button to lock the screen, our mobile phone needs a password to open it.

4. In addition, we can also set the fingerprint to unlock, just click the small button on the right to open it. After recording fingerprints, only fingerprints can be opened.

5. In addition, we can set the face to unlock and open the small button on the right, as shown in the figure. The face unlocking function can unlock our mobile phone more quickly.