Download the ringtone app of your choice from the Play Store and then download the song you’d like to use. Most, if not all, of the ringtone applications will have a built-in feature to set the ringtone right after you download it.

If you need any further assistance with this question, please contact the Sonim Customer Experience Center at 1-833-MY-SONIM (1-833-697-6646) or email us at [email protected].  We are open 24 hours a day, Monday-Friday and we will further assist in troubleshooting.