Windows Phone 8.1 GDR1 update is almost here and you can even read all about it on our dedicated page ( with our exclusive coverage). Now, a video demos Windows Phone 8.1 GDR1 update in action for China and apart from common stuff like demo of Live Folders, you can also catch China exclusive Cortana known as Xiao Na, which has got a different visual appearance, animations, and sounds.
Watch the video below,