Apple had announced the iOS 6 a couple of weeks ago at the WWDC and at the same time had released a beta version for developers to fiddle around with.
Now we are hearing that Apple has already released the second iOS 6 beta for developers. The new beta includes fixing of some bugs and adding minor improvements.
There is also the addition of a toggle to control whether or not you want to use the Shared Photo Streams feature and Guided Access is now working. The new version comes with a new build number, 10A5338d, and animated gear icon for downloads.
iOS 6 is compatible with iPad 2 and the new third-gen iPad, the iPhone 4S, iPhone 4 and 3GS, as well as the fourth-gen iPod touch and weighs around 300MB on the iPhone and nearly 500MB on the iPad. Do grab it quickly as it expires on the 31st of July.