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You can select the message tone you want to hear when you get a message.
1. Find "Settings"
Press the message icon.
Press the Menu key.
2. Turn on notifications
Press Notifications until the display tells you that the function is turned on.
3. Select message tone
Press Notification tone.
Press the different message tones to listen to them.
Once you've found a message tone you like, press Done.
4. Return to the home screen
Press the Home key to return to the home screen.