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You can select the message tone you want to hear when you get a message.
1. Find "Default notification ringtone"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Default notification ringtone.
2. Select message tone
Press More Notifications.
Press the required message tones to hear them.
Once you've found a message tone you like, press OK.
3. Return to the home screen
Press the Home key to return to the home screen.