What should I do if the application manager icon on Gionee's mobile phone is missing?

1, slide up in the middle of the mobile phone desktop-> Desktop settings;

2. Apply hidden/private applications->; Enter the password → Edit-> Select Apply and click Cancel.

To turn on/off the corner display on the mobile phone application icon:

Enter mobile phone settings → notification management → click the application to be set, such as WeChat → Allow notification → Turn on → Display a corner on the application icon → Turn on/off.