Smaller and smarter!<br>Made of high quality materials， the trackball is a great replacement for the defective trackball to provide easy navigation and dependable operation of your phone. It ensures convenient movement of your fingers or arm to control the phone in all directions at ease. Durable and useful for long time， this trackball is worthy of your ordering!                                    Features                                                                                                                                           If there are some troubles with your BlackBerry navigating trackball， for example， you cannot select when pushing down the trackball， you cannot navigate left or right and the navigation is malfunctioned， this kit will fix those problems and replace the defective， broken trackball<br>You shake the phone and navigation still does not function properly anymore<br>This kit will repair the faulty broken trackball， or replace the dirty trackball<br>With the installation instruction， you will be able to repair to problem， but you need a small plying tool or use a tweeter to pop out the silver ring. Tool is not included<br>Color: Black<br><br>                                                                                                Package Includes              1 x Repair Parts Replacement Trackball for BlackBerry 8 9 Series Black<br>                                                            Extra Info            Compatibility: BlackBerry 8 9 Series Black<br>