On this page you can download the U.O.E.N.O. ringtone for free. For an Android device, download the version in .MP3 format. A ringtone in .M4R format is suitable for iPhone, iPad and other iOS devices.To view other Rocko Feat. Future & Rick Ross ringtones, click on his name under the page title. Also, listen to the related ringtones at the bottom of the page.