Apple Readies Dramatic Software Overhaul for iPhone, iPad and Mac

Apple Inc. is preparing one of the most dramatic software overhauls in the company’s history, aiming to transform the interface of the iPhone, iPad and Mac for a new generation of users.

The revamp — due later this year — will fundamentally change the look of the operating systems and make Apple’s various software platforms more consistent, according to people familiar with the effort. That includes updating the style of icons, menus, apps, windows and system buttons.