Leaked diagrams reveal that the Apple iPhone 7 and Apple iPhone 7 Plus will be slightly thicker62
The height and width of the iPhone 6s and iPhone 7 both measure 138.3mm x 67.1mm. The height and width of the iPhone 6s Plus and iPhone 7 Plus both measure 158.2mm x 77.9mm. Again, the only difference in size between last year's and this year's models is the additional 1mm in thickness that will apparently be found on this year's handsets. Apple users are hoping that the extra mm in thickness is the result of a higher capacity battery.
The diagrams also show that the iPhone 7 Plus will feature a dual camera setup, while the iPhone 7 will carry a single camera on the back. And it appears that the iPhone 7 Plus will have a Smart Connector port on the rear. This will allow it to sync with the Smart Keyboard used on the Apple iPad Pro. It isn't known if Apple plans on producing other Smart Connector accessories designed specifically for the handset.
You can check out the diagrams (which include the rumored measurements), by clicking on the slideshow below.
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source: MyDrivers (translated) via TheNextRex