Import the Nametonz m4r file into iTunes.

Choose ‘Add to Library…’ from the ‘File’ menu, then select your Nametonz ringtone using the file browser.

You will now see a ‘Ringtones’ icon in your Library.

Copy the ringtone to your iPhone.

Connect your iPhone to your computer, it should now appear as a device in iTunes.

Sync your iPhone to your iTunes library by selecting ‘Sync’ on your iPhone’s page in iTunes, or if your iPhone is set to ‘Manually manage music and videos’.

Next, simply drag the ringtone onto the iPhone icon in iTunes.

Assign the ringtone on your iPhone by doing the following:

From the Home screen select the Settings icon.

In the Settings menu select Sounds, and then Ringtone.

On the Ringtone page select your Nametonz ringtone from the Custom menu.

If you want to assign your Nametone only to a specific contact, navigate to the person in your contacts list.

Select ‘Edit’ and then change the Ringtone option from ‘Default’ to your Nametonz ringtone.