Worst phone ever not much difference in iphone 7 nd 6 low battery backup no audio jack iPhone 7 and 7 Plus are deeply unusual devices. They are full of aggressive breaks from convention while wrapped in cases that look almost exactly like their two direct predecessors. Even that continuity of design is a break from convention; after almost a decade of Apple’s steady two-year iPhone update pattern, merely retaining the same design for a third straight year plays against expectations.