u can't
No
No. You need an action replay or gameshark.
you cant.....you need the disk
You don't
You must have a cheating device to enter codes for any game.
You can't enter them in diamond. you have to buy an action replay and enter them in there
u dont
jj
you input the code into the action replay and yeah
To enter action replay codes plug in the action replay and start the console. For activators they should be in the code description.
go to codes on action replay and select enter new codes
The reason for the action replay is basically for you to have cheat codes for your ds but in order for them to work is for you to look up action replay codes and figure out how to enter them into your action replay card