the first thing you have to do is turn on your bluetooth and their bluetooth. if you don't know how to do that on the menu press the button that looks like a gear. then press the bluetooth button and turn it on. then on the button that looks like a folder click on the audio and ringtones button. from there find the ringtone that you want to send, click on it, then options, send via, and click on bluetooth. then find the other person's phone, and send it.