Read help info
You can select the ring tone you want to hear when you get a call.
Slide your finger downwards starting from the top edge of the display.
Select your ring tone
Press the different ring tones to listen to them.
Once you've found a ring tone you like, press the required ringtone.
Return to the home screen
Slide your finger upwards starting from the bottom edge of the display to return to the home screen.