Apple has released a new update has been released for the iPhone, iPad, and iPod Touch.  Version 5.1.1 is 54.5MB and has fixed some bugs within the operating system.  The update is available over-the-air and can be found by going to Settings/About/Software Update.

The change log says:

• 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

Source:  Mobile Syrup