Apple just released a software update for iOS. The iOS5.1.1 is now available for iPhone 4S, iPhone 4, iPhone 3GS, iPad 2, iPad, iPod touch (4th generation) & iPod touch (3rd generation).
This update contains improvements and bug fixes, including:
- Improves reliability of using HDR option for photos taken using the Lock Screen shortcut
- Addresses bugs that could prevent the new iPad from switching between 2G and 3G networks
- Fixes bugs that affected AirPlay video playback in some circumstances
- Improved reliability for syncing Safari bookmarks and Reading List
- Fixes an issue where ‘Unable to purchase’ alert could be displayed after successful purchase
Apple users with iOS5.0 or later can instal this update over the air or it can be downloaded and installed via the latest iTunes.[Source]-Apple