Nintends DSi Slot 1 Card Socket / Game Reader
This is Slot-1 Card Socket For DSi. Suitable for the original DS Phat or the DSi. Fix your broken slot 1 cartridge socket. Slot-1 on the NDSi / DSi is the top slot for DS game cartridges. If yours is damaged (possible symptoms are games not ejecting correctly, consistent read errors over different games, games ejecting of their own accord), you can replace it with a new slot-1 cartridge socket and save yourself a lot of money on buying a brand new DSi.