Apple has released iOS 6.1 and is now available for update. There are few ways to get the update.
- iDevice. Go to settings > software update and follow the prompts.
- iTunes. Connect your device to iTunes > click on the iDevice > check for update and follow the prompts.
- Download the update. Follow this link iphone-developers.com
Take a look at the video guide for a walkthrough of what the installation looks like.