While the first teardowns of the iPhone 4 (excluding Gizmodo’s crude vivisection) were extremely exciting due to the novelty of the design, the 4S doesn’t have much to offer. The stem of the iPhone 5 hopefuls’ slight disappointment, i.e. that the 4S is essentially a spec bump, meant that this teardown would necessarily be less than thrilling.All the same, there are changes and iFixit astutely points them out.