If you want to put a ringtone on your iPhone 4, there are a few different ways to go about it. The first way is to go into the Settings app and select Sounds. From here, you can select the Ringtone option and choose a song or audio clip from your music library. If you want to create a custom ringtone, you can use the Music app to find the song or audio clip that you want and then use the Ringtone option in Settings to create a new ringtone. You can also use the Music app to add ringtones to your contacts list by selecting their names and then choosing the Ringtone option from their contact details. ..