Find "Message - Notifiers"
Press the profile icon.
Press Change Sounds and Alerts.
Press Sounds for Selected Profile.
Press Message - Notifiers.
Choose message tone
Press the required message type.
Press Try it to hear the message tone.
Press Notifier Tone.
Press Try it to hear the message tone.
Press the required message tone.
Press Try it to hear the message tone.
Save and exit
Press the Menu key.
Press Save.
Press Disconnect.
Press the Return key to return to standby mode.