Apple has released the iOS 7.1.2 update via OTA to the iPhone, iPod touch, and the iPad, bringing with it some bug fixes and security enhancements.
The update includes the following:
• Improves iBeacon connectivity and stability
• Fixes a bug with data transfer for some 3rd party accessories, including bar code scanners
• Corrects an issue with data protection class of Mail attachments
The iOS 7.1.2 update is available for the iPhone 4 and later, iPod touch (5th generation) and later, iPad 2 and later.
To check for the update, go to Settings > General > Software Update.