This article explains how to change the default ringtone on an iPhone. It's one of the easiest ways to personalize your iPhone. The instructions apply to iOS 12 and later, but the steps and functionality are similar for older versions of iOS.

To change your iPhone's default ringtone, follow these steps:

Tap the Settings app > Sounds & Haptics (on some older devices, tap Sounds).

In the Sounds & Vibration Patterns section, tap Ringtone.