What to expect from Apple's iPhone 5 announcement

Apple are holding a special event on September 12, at which they're widely expected to launch the iPhone 5 (and, just possibly, an iPad Mini as well...)

Apple are known to be infamously secretive when it comes to their upcoming products so there's a severe shortage of confirmed facts. We've pieced together some of the most common (and just plain interesting) rumours to bring you what we know so far.