By | September 11 2012 4:25 PM

Apple's big announcement in San Francisco, where the company is expected to reveal the iPhone 5 and a number of other surprises, is less than one day away. Alongside Wednesday's announcement of Apple's next-generation smartphone, a possible iPad Mini and a refreshed line-up of iPods, Apple is also expected to release date for iOS 6, the newest version of the company's mobile operating system.