Apple today released iOS 5.1.1 for the iPhone, iPod touch and iPad. Check the official changelog after the break.

Changelog:

• 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

Note: Jailbreakers and unlockers stay away from the update!

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