Hello again, I had given up hope and begun waiting on an easier solution but Ryou's and joerlane's posts helped me get through. I guess I was lucky this time, because it took around 5 minutes to do it
. The problem was that I was restarting the device when I had failed to connect after ratc.bin's execution, instead I should have tried to rerun the exploit and make it connectable again. Thanks everyone, now I can also start doing horrible things to my Nook
.