The information prompt light from nova9 A9 is not on.

First click to open the settings on the mobile phone desktop,

2.

Find and click to open security and privacy,

3.

Then click to enter the lock screen and password,

4.

Click to open the lock screen style, click to check the magazine lock screen, and don't check other lock screen styles,

6.

Click to enter the application and notification under the settings menu,

7.

Click to open the notification and status bar settings,

8.

Finally, click to open the notification screen prompt switch, similarly click to enter the settings-application and notification, click to open the notification management,

9.

Find and click the need under the notification management page.