Many people just bought their new iPhone 6S with new features in it. But Apple is already start working on Their new phone which is iPhone 7, and looks like the company should not make up its mind yet because they are currently working on five prototypes of the new phone that probably will come in September 2016. Apple is testing new hardware design and specifications.
Each prototype has it is own hardware characteristics, they are experimenting with some of the new or existing technologies like, wireless charging, multi-force touch, a dual camera for 3D shots, USB type-c connector that is also can use with headphones, fingerprint reader tech embedded with the display and AMOLED display.
Super AMOLED schematic from Samsung
Some of these features just rumored but doesn’t mean that iPhone 7 will have it all, let’s hope before September 2016 one of the Apple employee forgets the prototype in Bar again.