Blah, blah, and more blah. They know nothing about what the next phone is going to look like. I think the current design has some legs. I wouldn't mind another generation with the same design, then one can use the same bumper or case or any other accessory. I think I mentioned my expectations about the current phone in some older post, perhaps I just thought about it. Anyway, I was spot on pretty much. Same design, combined CDMA/GSM, better camera and more storage. I didn't know or think about Siri.
Ok, here goes my prediction for the next phone, it will be LTE, still world phone (this is mostly useful to Apple), we might go back to two models, 32 and 64GB. Probably same RAM, it might take another iteration to go to 1GB of RAM. Perhaps some minor improvements to the camera (I wouldn't expect anything big). I know nothing about bigger screen size, but I would assume that whatever they do they don't decrease pixel density, so that leaves few options. Last time I think it was easy, as I think it was double the pixels in each dimension. I think it will take quite a while to double that. So, two options, decrease pixel density (it won't be a retina display anymore) or double again (unlikely for a few years to come). My vote goes that the screen remains kind of the same, perhaps minor improvements on brightness, color, etc.
I am not expecting it to support GLONASS or any other satellite navigation system as it would be a big drain on battery. It would be good to know what Russia or China might do in terms of pressure to support their navigation systems.
That nearfield thingy looks actually far away.
Then there are the unknowns and the software improvements artificially tied to a hardware version like Siri. So, my main expectations are LTE and perhaps some software improvements tied to the new hardware that will motivate people to buy the new model. Like Siri.