Set a custom ring tone for a contact
In the Contacts app, tap a contact.
At the bottom of the Edit Contact screen, tap Ring Tone and Notifications.
Tap a notification type, and make your changes.
Tap Back again.
Applications and features
Tip: You can also customize other settings for a contact, such as the notification volume level, and the LED color that
flashes on your device when the contact sends you a message or calls you.