The device, which nobody seems sure will called, is reckoned to finally be breaking the small-screen mold, and will follow the lead of many Android units by increasing the screen to a more agreeable four-inches. The long-standing argument as to why Apple has kept the screen at 3.5 while the likes of Samsung and HTC knock on the door of 5-inch displays, has been that the average thumb can only cover that diameter, thus allowing the iPhone to be used in one hand where others require two hands for operation.
