Supercard dstwo firmware has been updated to V1.16, see post here: if you haven't updated your dstwo, your card can not worek on the latest 3DS firmware V4.2.0-9, i have made a video to tell you how to update the DStwo for 3DS V4.2.0-9 step by step. You can just update it in a few mins.

Recommend you update the DStwo in a DS Lite console.

here is the video