Remember this thread about sms tones?

[phoy18]

http://forum.xda-developers.com/showthread.php?t=1634842

if only we can...

 

[GoodDayToDie]

Needs elevated permission to access the registry, most likely. Might be possible just with file system access, but registry would be best.

 

[thefunkaygibbon]

The original way of doing this was a registry hack. I think that the ringtone to sms app basically updated this.

There is a 'lumia registry' tool on here somewhere (search may help) but I don't think that the ringtones section was one that could be updated