The default setting of "Black Screen Gesture" is that when the screen is black, you can turn on and off autoplay by drawing a vertical line with your finger, which may be accidentally scratched. How to set black screen gestures for oppo mobile phones;

1. First, turn on the phone, find "Settings" and click it.

2. After clicking, slide the screen to find "gesture somatosensory".

3. Then, select "Black Screen Gesture".

4. Click "Add Black Screen Gesture" at the bottom.

5. As you can see, there are many gestures to choose from, and "m" is chosen here.

6. Click Start Application.

7. Choose the application to start, and choose QQ, because QQ is often used.

8. Press the back key to see "Draw M to start QQ", which means that your setup is successful. When the phone is black, you can start QQ by drawing M on the screen.

How to change the default player of oppo mobile phone;

1, open the setting interface, select and enter the application interface.

2. Enter the application management interface, click All, select the video icon, and delete the default settings.