Try updating your firmware or resubscribing.
They already have an Action Replay DS.
No, the action replay for the Nintendo DS will not work on the 3DS.
Update your Action Replay firmware, then try using the codes.
The R4 has Action Replay built-in with the firmware, so there's no point putting an R4 into the Action Replay.
Yes, the Action Replay DS will work on the original Nintendo DS and the Nintendo DS Lite.
You will need Action Replay DSi - the regular Action Replay device will not work.
you need to down load acion replay firmware v1.71 for ds lite action replay and v1.25 for dsi action replay
all apart from action replay an action replay isn't a game
No, it does not.
No, it will not work