You can select the ringtone you want to hear when you get a call.
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Sounds and vibration.
Tap the different ringtones to hear them.
Once you've found a ringtone you like, tap the Return key.
To use a different ringtone than the default ones, tap the add ring tone icon and follow the instructions on the screen to select the required ringtone.
Return to the home screen
Tap the Home key to return to the home screen.