To set or change ringtones for receiving calls on your iPhone X, follow these steps:

1. From the Home screen, choose Phone.
2. Contacts should be tapped.
3. Select the contact for whom you want to set a ringtone.
4. Select Edit.
5. Choose a ringtone.
6. To utilize a ringtone, simply tap it.
7. To make the changes permanent, tap Done.

1. From the Home screen, choose Settings.
2. Sounds and haptics may be activated by tapping on the screen.
3. Toggle Text Tone on and off.
4. You may adjust the alert tone to your liking.
5. The default text tone on the iPhone X is Note.

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