Help: The application is still there, but the desktop icon is missing.

1. First enter the settings page, and you can see "More Applications", as shown in the following figure.

2. Click "More Applications" to enter the settings page of more applications, and find the "SMS" application in the page.

3. Click to enter the "SMS" application information page, you can see "Clear all data", and then click "Clear all data" to clear the relevant data of SMS application.

4. After the data is cleared, you can restart the phone or restart the phone after shutting down, which can solve the problem that the icon disappears.