1) Change default ringtone for incoming calls.
a) Touch the “Settings” icon from the Home screen or under the main menu.
b) Touch “Sound & vibration”.
c) Touch “Phone ringtone & vibrate”
d) You will see a list of ringtones.
e) Touch a ringtone to select and hear it. Or you can touch “Custom ringtone”, choose an MP3 you like from music app and touch “DONE”.
2) Adjust volume for incoming calls.
a) Touch the “Settings” icon from the Home screen or under the main menu.
b) Touch “Sound & vibration”.
c) You will see a Volume Bar. Drag to adjust the volume.