As per usual, you can install the update via the Software Update section of the Settings app on your iOS device, under General, or you can update via iTunes.
The update comes hot on the virtual heels of iOS 6.1.2, which fixed an Exchange calendar bug that could result in increased network activity and reduced battery life.
By Lex Friedman, Macworld.
Lex uses a MacBook Pro, an iPhone 5, an iPad mini, a Kindle 3, a TiVo HD and a treadmill desk, and loves them all. His latest book, a children’s book parody for adults, is called “The Kid in the Crib.” Lex lives in New Jersey with his wife and three young kids. Follow Lex on Twitter: @lexfri