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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 two fingers downwards starting from the top the screen.
Press the settings icon.
Press Sound & notification.
Press Default notification ringtone.
2. Select message tone
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.