Hi there ! I have an iPhone and I want to change its screen size to a bit smaller. I don’t like that big a screen. I would like to know about the iPhones like iPhone 4, iPhone nano and probably the 5th generation of iPhone and what kind of screen sizes do they have. How can I change my iPhone screen size? Should I take some online help in this regard. If yes, then where do I get that. Please help me out of this screen size problem.