How to Set Up Face Recognition on OPPO F21s Pro 4G

The phone has become a place to store enough personal information that needs protection. However, passwords have lost their popularity: it is difficult to remember them, and it takes a long time to enter them. Now you can protect your smartphone reliably, simply and easily. To do this, you only need to set up face recognition on OPPO F21s Pro 4G.

How to enable face recognition on OPPO F21s Pro 4G

1. Go to «Settings».
2. Open the section «Passwords and security».
3. Click «Unlock by face».

4. If you have a PIN code installed on your device, you will need to enter it. It's the same with a fingerprint.
5. Wait 5 seconds. Click «Continue».
6. Look into the front camera. The device will scan you and save the received data.

How to disable face recognition on OPPO F21s Pro 4G

1. Repeat the same steps as for switching on, up to the 4th point.
2. The recognition settings window opens.
3. Deactivate the «Face data unblocking» slider.
4. If the function is not needed for a long time, click «Delete face data». The next time you turn it on, you will need to scan again.

Additional recognition settings

The settings are on the same page where we disabled recognition. It is described below which option, and what it is responsible for.

Stay on the lock screen

After the identification has passed, you need to additionally swipe up on the screen. Saves from accidental unlocking.

Show the contents of notifications after verification

When activated, only the icons of the android applications that sent the alert will be shown on the lock screen, and the message itself will be hidden. You can see it only after identification. Saves from prying eyes.

Recognize when the screen is enabled

The smartphone will require activation even when the incoming notification turns on the display. Consumes the charge faster, but increases privacy.

Using the face recognition function to unlock

Unlocking smartphone

1. Turn on your phone and point the front camera. The smiley face on top means that the option is working.
2. If the «Stay on the lock screen» option from the last paragraph is enabled, you need to additionally swipe up.

How to add a face to unlock on OPPO F21s Pro 4G

OPPO F21s Pro 4G face ID allows you to add only one person. To change a saved face:

1. Delete the data (described in the section «Disabling recognition»).
2. Perform the activation operation again (discussed above).

Using the function to unlock individual apps

1. Run «Settings».
2. Open the «Applications» section.
3. Click «Application Protection».
4. Enter the password for the security settings. If there is no such thing, you will be asked to create one.
5. Click «Use the data of the face».
6. Perform the identification procedure.
7. Mark the applications that need protection.

Pay attention! In order for app blocking to work, you need to first enable recognition for the entire device (described above).

Restrictions of the face recognition function

Restrictions on lighting conditions

Identification will not take place if there is not enough light. Do you have to work in the dark? Leave an alternative path: fingerprint, pin code.

Restrictions when using accessories

Extra accessories that hide your face can interfere with scanning. Before identification, remove hats, zero glasses, colored lenses. Leave only what you wear all the time.

Restrictions by face makeup

Girls, be vigilant! Overly bright makeup that radically changes the appearance will definitely prevent the first scan. Your smartphone may not be available if there is no other way to unlock it.

Summing up the results

Do you want to increase privacy? Enable recognition for android devices and apps. Always remove unnecessary accessories when using. Leave only everyday makeup. Check the lighting.

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