How to set the default ringtone on your iPhone and select Contact specific ringtones.

1. Select Settings icon.

2. Select Sounds.

3. Select Ringtone.

4. You will have a list of available ringtones on your iPhone. Tap the ringtone to enable that ringtone.

You can also make a ringtones specific to a single contact. To do this:

1. From Phone, select Contacts and choose a contact.

2. Select Edit.

3. Select Assign Ringtone and choose a ringtone.