Features: - When do you need a new bottom screen? Touch sensitivity is fine - The bottom image is not visible and/or the bottom image is poor/distorted - The bottom screen has a visible crack in it when you turn the NDSL on Videos on YouTube: For repairing the bottom screen http://www.youtube.com/results?search_type=search_playlists&search_query=how+to+repair+your+NDS+bottom+screen