If there is a past due it means that the entire bill has not been paid. Even if the plan was $65 a month, if he had overages (data, long distance, minutes, ect) the bill may have been higher than $65. Accounts can not be transfer until the entire pas...
Also, with many phones it is possible to uses apps to change to visual voicemail. I'm not sure if it works on BB, but it works great on Android phones.
Are you trying to find an app for downloading ringtones? Is it a specific ringtone you are looking for? What are you trying to use to download ringtones? If you could give some detail as to what you are doing/ trying to do, I might be able to help.