Rumors everywhere are saying that the net iPhone will be the iPhone 6C which would sound pretty believable, but for Apple make an iPhone out of a plastic material and put it in a very thin profile iPhone isn’t very possible. We can never doubt Apple after the 2015 Macbook though.
Couple weeks after that rumor we get this rumor showing an iPhone 6 and a iPhone 5. Which both of those are 4-inches. Which can be claimed to be a iPhone 6C. While that sounds great the iPhone isn’t colorful! It’s just the plain space grey color. It’s also not made out a plastic material, it’s made out of aluminum. Which this could mean Apple doesn’t want people to call the smaller and more affordable iPhone “Cheap.”
From what I know the iPhone 5SE will have pretty much the same guts of the iPhone 6S just in a smaller iPhone, But don’t expect a 3D Touch display in the iPhone 5SE. With having those specs you could expect the iPhone to start at $450 and it could go much more up for the amount of space you want. (Example 32GB $599)