The latest software update for iOS, known as 6.1, has finally become available as a free download. According to the release notes, the update adds LTE support for additional carriers (36 for iPhone, 23 for iPad), the ability to purchase movie tickets through Siri (US-only) and the opportunity for iTunes Match fans to download individual songs from iCloud. Check your device to see if it's available -- it's hitting ours as we speak, and the press release is available below.

http://www.engadget.com/2013/01/28/ios-6-1-download/