How to set Huawei mobile phone information not to display content?

This brand of mobile phone information does not display content settings are as follows:

1. Click the "Settings" icon on the phone desktop.

2. In the setting menu, find and click the "Notification" option.

3. On the notification settings page, find and turn on the "Hide notification content" switch.

4. If the function of hiding notification content doesn't work, you can enter "Settings to Application Management" to turn off the screen lock notification and banner notification in information notification management.