Huawei 3x mobile phone receives SMS with sound and no icon prompt.

1) Check which application is the currently set default SMS application.

① Click the "Settings" icon on the desktop ② Find "Application Management".

③ Select "Default Application Settings" ④ Select "Information"

⑤ You can see the default SMS application name currently in use. If you are using a third-party SMS application, please check "Info" and use the default SMS application. At the same time, uninstall the third-party SMS application.

2) Check whether the default SMS application has the notification bar display permission.

① Click the "Settings" icon on the desktop ② Find "Application Management".

③ Find the default SMS application to open in the "All" application list. By default, the name of the SMS application is Contacts.

④ Check whether "Show Notification" is not selected. If so, please check the Display Notification again. At the same time, check whether this application has been deactivated. If it is disabled, please restart the application.

Please check whether the problem has been solved after setting.

3) Check whether the reminder function in the SMS application is turned off.

① Click the information icon on the desktop ② Select the menu to enter the setting interface.

③ Make sure that "Information Preview" and "New Message Pop-up Prompt" under the "Notification" menu are turned on.

Check whether the problem has been solved after setting.

4) None of the above steps can solve the problem. Please back up your private data and choose to restore the factory settings.

① Click the "Settings" icon on the desktop ② Select "Backup and Reset".

③ Select "Restore Factory Settings"