Use an MP3 song as a ringtone on your iPhone through the Files app. Trim longer songs to 30 seconds, then use the clip for calls, texts, voicemail, and alerts.

Factory reset your iPhone before selling by backing up needed data and using Erase All Content and Settings. This clears your personal information and removes your Apple Account from the device.

Make a custom iPhone ringtone from a song file using GarageBand. Trim the audio, export it as a ringtone, and assign it to calls or notification sounds.

Make a custom iPhone ringtone in GarageBand using a downloaded music file or MP3. Trim the audio, export it, and use it for calls, texts, or a contact.