The BackBerry has a wealth of features for business users and is still one of the biggest brands of mobile phone manufactures in the world. It's also famous for it's track ball but after some time it can get clogged up with lint and dirt. We are able to replace the track ball and housing if need be and get your phone working as good as new!Track Ball Replacement (9000): $69
Track Ball and Housing (9000): $119
