after getting a special cube you can use the card input machine
if you're talking about the card input things you can only use those after successfully completing the third planet
you're ether puting them in wrong or they're invalid codes
In the menu it will say put in codes then you click that and you put in the cheat code.
you can get cheat codes from cheatcc.com
you type cheat codes in like this snow1
if you have a dsi x large and trying to get cheat codes on it and you have some than you put in the game you have cheat codes for and when it pop up go to opitions and put it in but if you donn't have cheat codes for it go to cheat cc .com
you first put your phone in the bathtub, then you put it in the dryer. FInally, you get the cheat codes for it.
put in the cheat dgsnrgconiz
you can get the dsi cheat codes at gamestop
there are codes
i dont know but u can find cheat codes at www.cheatcc.com
You have to buy something called action replay for ds. Then you just google spectrobes beyond portals action replay codes and just put them in the action replay.
If you want to put in cheat codes for diamond and pearl, you need an action replay disc for you nintendo.