Hi there,
I've got an OLD 3DS with 6.2.0-4E firmware. Obviously, it was never updated through wifi as I've go the fatal error 0001001 when downgrading from Gateway's menu.
I have read I could upgrade using BigBlueMenu.3ds, so I tried to download 6.2.0-12 and 6.2.0-12E FW using 3DNUS but I had...