I have searched all day to try and figure out why I am unable to select my own song as a ringtone. It should not have to be such a convoluted process. I have copied the mp3 file into the Ringtones folder, but no matter what I do I do not get a Custom option when going to Settings > Ringtones+Sounds > Ringtone. There is no issue about song security. Please explain to me why I have no Custom option in order to select my own ringtone? I have a Nokia Lumia 1020.