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You can select the message tone you want to hear when you get a message.
1. Find "Notification sound"
Slide your finger downwards starting from the top of the screen.
Press the settings icon.
Press Sounds and vibration.
Press Messages notifications.
Press Notification sound.
2. Select message tone
Press the required message tones to hear them.
Once you've found a message tone you like, press the Return key.
3. Return to the home screen
Press the Home key to return to the home screen.