Why is the message of oppo mobile phone not bright?

There is news from OPPO mobile phone. Breathing light doesn't light up because breathing light is closed.

1. Open the interface of OPPO R9 mobile phone, find the setting icon on the desktop of OPPO R9 mobile phone, and click Enter.

2. After entering the setting interface of OPPO R9 mobile phone, click to enter the notification and status bar.

3. After entering the OPPO R9 mobile phone notification and status bar interface, click to enter notification management.

4. After entering the OPPO R9 mobile phone notification management interface, click to enter the application that needs to open breathing light.

5. Take WeChat as an example. Click on WeChat to open the breathing light flashing button. This information will be exciting.