Answer by
JennWDW (79)
This kind of depends on the model. (Ds, Ds lite, DSI) Actually I'm A liar, For the DS & DS lite you need to try editing the wi-fi settings in A wi-fi Compatible game. (usually the option is on the main/title screen) For the DSI/DSI XL, go to options, internet settings, and then enter your password. (And some other stuff)