Samsung Gravity data cable issues?

Thomas M

New member
I have a Gravity with a prepaid plan, and bought a data cable so i can make my own ringtones. The issue is i finally learned how to use use the software, I get the audio clips on my phone, and no matter what file extension they are (.aac, .wav, .mp3, and one more) while I can PLAY the song on the cell, the phone bars me from setting it as a ringtone, saying it's "Not Supported Format". All the megaphone ringtones are .dm, which I believe are digitally signed. Is there any file extension the gravity will forego and set, or do I have to digitally sign all my ringtones? how would i do that?
 
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