1. 1. Find "Phone ringtone & vibrate"
Slide two fingers downwards starting from the top of the screen.
Press the settings icon.
Press Sound & vibration.
Press Phone ringtone & vibrate.
2. 2. Select ring tone
Press Custom ringtone.
Press the required ring tones to hear them.
Once you've found a ring tone you like, press OK.
3. 3. Return to the home screen
Press the Home key to return to the home screen.