Samsung Galaxy Note7 teardown reveals the magic behind the phone's iris scanner

Samsung's Galaxy Note7 is touted by many reviewers as one of the best, if not the best, smartphones around today. Its most interesting features are waterproof design, curved screen and, for the first time in a Samsung smartphone, an iris scanner. 

Now that the phone is out, iFixit tore it down to pieces, resulting in one of the most interesting gadget teardowns we've seen lately. 

First, the Galaxy Note7 is relatively repairable, scoring 4 out of 10 by iFixit's standards. You cannot replace the curved screen, and it's hard to get inside of the phone due to the strong adhesive on the rear glass. But the battery, the charging port board and several other parts can be replaced, which is not common among top smartphones of today. The iPhone 6S, however, scored far better when it comes to repairability.  Read more...