1. From the home screen, swipe down from the top of the screen to reveal the Device Settings menu.
   
2. Tap Settings.
   
3. Tap Notifications.
   
4. Scroll to, then tap Applications.
   
5. Tap Phone.
   
6. Tap the Tone drop down box.
   
7. Scroll to, then tap the desired ringtone.
   
8. Swipe up the screen to return to the home screen.