The Lumia Cyan software update is now available for Windows Phone 8 powered Nokia Lumia phones. The Lumia Cyan update brings Windows Phone 8.1 features to WP8 Lumia smartphones and brings a number of improvements including an enhanced camera, Storyteller app and Living Images, Live Tiles, Action Center and WordFlow Keyboard.
The Windows Phone 8.1 Lumia Cyan software update also includes video and image editing apps such as Adobe Photoshop Express, Creative Studio and Video Tuner. Users can now also install / move their apps to the MicroSD card with the update.
Go to Settings > Phone update to check if the update is now available. Check out this link for more on the Lumia Cyan update.