Here you can listen to and download the I'm Not The Only One ringtone for free. The song is performed by Sam Smith. 6 versions are available, from 20 to 94 seconds. If you like drum, pop and soul ringtones, see the tags below. Android users need the .MP3 file, iPhone users need the .M4R file. Both are free. All ringtones by Sam Smith are collected on the artist page.