The situation asked LG, the company promptly commented on the situation, saying that in fact the chassis of the smartphone is made from aluminum, not covered in any plastic. Here we have used only a thick layer of primer and paint, in order to obtain good contact of paint with aluminum. Aluminum alloy, which uses an LG patented in Korea as LM201b. It is used in the aviation and automotive industries. It's not quite the usual aluminum we're accustomed to on other smartphones. LM201b is cast in one piece, making it in the end, incredibly durable, but allows to keep small weight. Under a thick layer of primer and paint company hid the antenna device.
At the end of last week there were reports that the smartphone LG G5, which according to the manufacturer as a metal with a layer of plastic, which, in turn, hides and metal. Utuber jerryrigeverything once showed that the knife can tear the cover away from the phone, and it's a lot like picking your plastic.