Why doesn't my mobile phone text message show up?

The information screen of the mobile phone is not displayed, probably because this function is not set on the mobile phone.

The specific method is as follows:

1. Open the phone first, find the settings and enter the settings page? .

2. In the settings window, find the screen lock and security function, and click Enter.

3. In the new window, locate the notification and click to change the settings.

4. Click "Display the notice on the lock screen" in the first line, and select the display content in the pop-up window. After this setting, any information will be displayed on the lock screen when the mobile phone is not in the operation lock screen state.