Finally i would say that remember that this not an easy repair as this involves soldering the slots, so you might not want to do it all yourself because you might mess thing up, So you can get it repaired at Nintendo Repair Shop .
Find cheap original Nintendo Game Slot Repair Part at the Nintendo Repair Shop Inc, along with any other Nintendo DS Lite repair parts you may need.
You would also need soldering skill for this repair.
Keep tuned for more NDSL repair tutorials, for any comments or any questions at NDS Lite Game Slot Repair . Thanks For Watching.