if i place a ringtone in \media\audio\ringtones on my sd card then selecting a contact and pressing menu->options causes a freeze and a black screen and i have to remove and replace the battery to regain use of the phone ... if i delete the ringtone, no problem, but the ringtones not corrupted it's an ok file and it doesn't matter what ringtone i put there, any ringtone in the folder going to cause the same problem anyone can help?