10 pieces replacement Blackberry Trackball Dome Buttons. If your original trackball Dome Buttons is no longer functional, this is the replacement for you. Electric module is not included in this dome sticker. If replacing the dome buttons still does not fix the problem, you may need to replace the dome module instead.
Just peel off the original dome button using a pair twizzer then stick this replacement Dome buttons in same spot. Total 10 pcs dome buttons are included.