Carbon 1 MK II is First Phone in the World with a Carbon Fiber Monocoque Onsa MustafaLast Updated: Mar 2, 2021 Let’s welcome the world’s first phone with carbon fiber Monocoque, Carbon 1 MK II. It means the phone comes with no internet supports. The phone’s external shell provides structural integrity hence making it very light (125g) and thin (6.3mm). Carbon fiber has all the wonderful properties, but there is only a disadvantage when using it in smartphones – it blocks radio waves. However, the Carbon Mobile team in Germany spent years working on the issue and found a solution. Carbon 1 MK II is First Phone in the World with a Carbon Fiber Monocoque