I have it on the hacked one. What I am really asking is that I want to mod the unmodded one and transfer all my data over from the modded one to the unmodded one. I have to have CFW on the unmodded one first, in order for me to do that, one of the methods is to have Pokemon Picross on it first...
If I link my NNID to the unmodded one in order to download a copy of pokemon picross from the eshop will that affect system transfer from the modded one?