Add the ringtone to your iphone.
How to create your own ringtone on iphone.
Choose the song you want to use to create a ringtone and click on it.
The newest ringtone will show up at the top of the list.
When the syncing completes your ringtone will be on your iphone.
On your iphone open the settings menu.
You can set the ringtone as your iphone s main tone or as a specific contact s ringtone.
To add the m4r ringtone file to your iphone connect your device to your computer using a lightning to usb cable.
Tap its name to set it as the default ringer.
Click apply then click sync in the bottom right corner of the window.
If you don t want to buy ringtones or use the ones that came with your iphone you can create your own with itunes.
Then select the iphone icon in the upper left corner.
This process changed a bit with itunes 12 7.
The tones library you could previously sync with your iphone has been removed but you can still manually place ringtone files on your phone.
Open itunes on the desktop to get started.