Skip to the step 98 or even 100 if you just need to replace the power button - I think you should even consider this to replace volume buttons. I am fixing mine right now and screwed up the speaker cable. I did follow the instruction but totally missed the cable right below the tape. I proceeded further, but I just realized I didn't have to go through all the troubles. I wish ifixit.com can manage this type of direction clearly so that dis-assembly is minimum.