My OG 3DS freezes when I select DS download play. This happens too if i select download play with DS games. Why does this happen? I'm assuming it has something to do with the WIFI Card. 3DS download play seems to be working flawlessly though. Same with Internet. Is the wifi card separate?

If this information is crucial, my 3DS was fallen victim of black screen of death Wifi problem. (Which got fixed by this method) https://fak3r.com/2013/03/27/howto-fix-a-nintendo-3ds-with-broken-wifi/

Also, DS download play stopped working at a point and was having the same problem that I was having now, but it worked again. Now its not working.