I don't know if it's been posted already and I only took a quick look of the first page of threads, but they put it up:
http://www.ifixit.com/Teardown/iPhone-4S-Teardown/6610/1
Didn't feel like searching. Must....read....
http://www.ifixit.com/Teardown/iPhone-4S-Teardown/6610/1
Didn't feel like searching. Must....read....