Apple has released iOS 6.1 for iPhone, iPad and iPod Touch to public after the release of iOS 6.1 Beta 5 on weekend.
iOS 6.1 comes up with new features which includes ability to purchase movie tickets using Siri, LTE support for more carriers along with some other features.
Changelog of iOS 6.1
*LTE support for more carriers (complete list of supported carriers at www.apple.com/iphone/LTE)
*Purchase movie tickets through Fandango with Siri (USA only)
*iTunes Match subscribers can now download individual songs from iCloud
*New button to reset the Advertising Identifier
You can update your device to iOS 6.1 OTA by going to Settings app on your device or via iTunes. You can also download the IPSW from the direct link given below.
iOS 6.1 direct download links
planetbeing and MuscleNerd of the evad3rs team has confirmed that it is safe for jialbreakers to upgrade to iOS 6.1.