Apple has released iOS version 5.1.1 (the operating system of for your phone). Directions for over the air updating are available: http://howto.cnet.com/8301-11310_39-57429405-285/how-to-update-your-ios-device-software-over-the-air/ (the update will require connecting to a wifi point first or via itunes). This upgrade also applies to any iPad, later generation iPod touch, or other recent iOS devices.