Instructions
Place the Action Replay device into the DSi and plug it into the computer with the USB cord that came with it.
Open the Code Manager software on your PC.
Select the icon in the top left of the window.
Click ̶0;About Action Replay̶1; in the pop-up window.
Click ̶0;Reset Action Replay̶1; and wait for the device to be reset. Click ̶0;Update Software̶1; to load the latest codes and software on the Action Replay device.