Much has been said about the possible changes to the iPhone, both for this and next year (when Ma would make a reset device, implementing drastic changes).
Overall what we are following that, despite good changes (such as a set of two rear cameras, removal of the headphone jack, redesign of the antenna / stripes in the structure, possible incorporation of the Smart Connector, among other things), in 2016 they will not be as significant in terms of structure.
Thinking about it, the designer Martin Hajek (known for the creation of several concepts /mockups of Ma products) decided to put his vision for the iPhone 7 on paper taking into account all these rumors fanned by the.
Click / tap on the images to enlarge them.
I like the current look of iPhones 6 / 6s and I see this concept as a more than natural evolution. If that is enough to put the iPhone back on track to success, from record sales, to another story.