After debuting and detailing the many features of iOS 5, Apple confirmed that iOS 5 will be available this Fall 2011. However a developer preview of the new iOS is available today.
During the keynote, Apple also confirmed compatibility of iOS 5. iOS is compatible with:
- iPhone 4
- iPhone 3GS
- iPad 2
- iPod touch fourth generation
- iPod touch third generation
Sorry iPhone 3G users! Your fun ended at iOS 4.2.1.