iPhone 2020 concept from Hasan Kaymak is toying with the idea of modular phones. Its basic design is very clean with no button or charger port and more sharp, but still rounded, edges. If you would like to take pictures, you add a section with a camera, which also contains 512 GB of storage space. This additional hardware seems to work on the basis of a magnet that makes it stick to the phone. However, it is very unlikely that it would in this direction Apple further developed his iPhone.