well, i managed to do the same thing as you did just on different parts.
on step 12 i ripped the ribbon cable and step 5 i ripped the socket of the logic board.
i am going to go to batteries plus soon and i will try to see if they can repair it or if they have any spare parts. besides that my advice would just be to throw the thing out unless they are able to help. it sucks that it costed so much yet just stopped working on the 1st week.
