The introduction of a new iPhone every year is a given, but the details of what that device will look like and the new features it'll bring are rarely so straightforward. So far this year, Reuters and The Wall Street Journal have come out strongly in support of the idea that we'll see a new 4-inch (or even larger) form factor, plus there's all the usual SoC speculation, invited by the introduction of the 2012 iPad and its upgraded chip. Follow along here as we work to disentangle the useful information from the thickets of rumor surrounding Apple's next flagship phone.