Microsoft’s BUILD conference in early April on the demonstration of a number of new features in Windows Phone 8.1, such as voice assistant Cortana, Activity Center (Action Center), a new lock screen screen. At that time, Microsoft said the new Windows Phone 8.1 powered handsets will be listed by the end of April or early May, the existing Windows Phone devices to be patient and wait a few months to upgrade to 8.1.
So when we are going to receive Windows Phone 8.1 system update? According to Microsoft’s Windows Phone Commerce Department executives Vineet Durani revealed that, WP8.1 update will start to push in June.
He also pointed out that, Lumia series will get WP8.1 update push in the end of June, that Lumia Cyan firmware.