The iPhone 4 is a dramatic redesign. It manages to pack a radically sharper screen; a second, front-facing camera; a larger battery; a better rear camera with flash; and a faster processor into a body that is 24% thinner, a bit narrower, and retains the same length and weight as its predecessor's. In fact, Apple claims that the iPhone 4 is the world's thinnest smartphone and sports the world's highest-resolution smartphone screen. With the front-facing camera, and clever new software called FaceTime, Apple has brought simple, high-quality video calling to mobile phones, albeit, for now, only over Wi-Fi and only among iPhone 4 owners. In multiple tests, this feature worked very well for me and is a classic example of the value of having one company do integrated hardware and software. In addition, the iPhone now includes an updated operating system—which also can be installed free on the prior model—that introduces catch-up software features such as limited multitasking (the...
News & Reviews