GO to Menu, Push the settings Icon. On the sound profile click where it says normal, click on the letters, not the blue dot, that takes you to a different menu where you can change the message tone
I FIND OUT HOW JUST GO TO MENU, PUSH THE SETTING ICON. PUSH THE SOUND PROFILE, PUSH ON NORMAL AND IF you SEE A BLUE DOT WHERE THE NORMAL IS CLICK IT AGAIN THEN AT THE STOP you CAN CLICK THE ARROW AND CLICK ON MESSAGES
I FIND OUT HOW JUST GO TO MENU, PUSH THE SETTING ICON. PUSH THE SOUND PROFILE, PUSH ON NORMAL AND IF you SEE A BLUE DOT WHERE THE NORMAL IS CLICK IT AGAIN THEN AT THE STOP you CAN CLICK THE ARROW AND CLICK ON MESSAGES