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