According to recent leaks, iPhone SE will feature iPhone 5S like design, but with rounded Edges. iPhone 7 would feature one rear camera, and iPhone Pro (iPhone 7 Plus) may have dual rear camera setup. The Antenna line in iPhone 7 and iPhone Pro would go to the upper and lower edge. Most probably, the biggest ever change will be on sound, 3.5mm headphone port would be removed as Apple may supply wireless Beats headphone with iPhone 7 and iPhone Pro.
As per Design leaks and rumors, Martin Hajek has designed some images for iPhone Pro, iPhone 7 and iPhone SE. Here is how these 3 models may look like;
This Design, We are not convinced as by any standards, it does not look like a Premium Smartphone. I am sure iPhone will never de-grade so low, But you can not stop rumors.
iPhone 7 Plus / Pro