How to delete the contents of diagonal ringtones in short messages?

1. Open the SMS application and find the SMS containing slash and ringtone.

2. Long press the message and select "Copy".

3. Open any editor (such as memo), hold down the space and select Paste.

4. Delete the slash and bell in the editor.

5. Long press the text in the editor and select "Select All". Press and hold again to select Copy.

6. Return to the SMS application, press and hold the original SMS and select "Paste". Just send the modified SMS.