iOS 6 beta is available for download to developers.

This afternoon Apple promises to lay out iOS6 beta for developers. The official release will take place in the fall, but developers will get a system in advance to adapt their applications to new APIs and explore more than 200 new features that Apple has built into iOS 6.

• Phone number unification and Apple ID
• App Banners for websites: by clicking on a banner in the browser, iOS automatically installs the corresponding application on the device
• New maps with 3D-interface instead of Google Maps
• Safari browser with the integration of all devices, so that you can open the page on your computer and continue surfing the iPad
• Saving web pages entirely for further reading offline

• Updated email client with VIP contacts
• New call / SMS mode with reminder, Do Not Disturb mode
• FaceTime works in a cellular network, receives incoming calls to a phone number (due to the unification of the phone number and Apple ID)
• Deep Facebook integration: Facebook friends' birthdays added to calendar
• Siri has learned several new languages ​​and is integrated with several car systems, can run applications, publish tweets, speak sports results; now works on iPad
• Joint viewing of photos through iCloud

and so on

The new iOS 6 can be installed on iPhone 3GS and older, iPad second and third generation, as well as the fourth generation iPod touch.