It goes without saying that the iPhone 5s has proved to be a popular smartphone, not only amongst first time buyers, but also amongst existing iPhone users who have opted for the flagship model as opposed to the relatively cheaper and “unapologetically plastic” iPhone 5c. A new report from Consumer Intelligence Research Partners reveals that iPhone 5s generated 59 percent of all iPhones sales in the previous quarter, stealing customers away from the iPhone 5c and the iPhone 4S.