In my head the answer is no because the next major revision will most likely not occur until iPhone 7. That being said the iPhone 6 screen is starting to look dated in my opinion. We are 4 years out some Retina appeared and Apple has done nothing to improve on this. Admittedly I have been using my Android phones more lately and when I do go back to use my iPhone I can truly notice the difference. Currently typing this on my Xperia Z3 and the clarity difference is noticeable. What are people's thoughts on this?