It's a phone I got from my aunt cuz my other one broke. I don't have the disk that I think is supposed to come with it. but I downloaded the blackberry desktop software online. when I plug the phone in and click the media tab it says "A problem occurred while attempting to connect to your blackberry device" it also wont pop up as an external drive. I made sure that the mass storage was turned on on the device. is the disk absolutely necessary? and is there any alternative ways to load music to the phone? please help thanks