Four things iOS 7 tells us about Apple’s next iPhone

Apple has played the game long enough to keep its secrets heavily guarded, but a close look at some of iOS 7’s lesser-known features hints at a few hardware changes we should count on (or not) for the next iPhone — and maybe for the next iPads, too.

It doesn’t take an OS upgrade to guess that Apple will improve its camera’s still-life and video capture hardware. That’s a given.