Earlier this month, began a test update of the smartphone Nokia Lumia 920 to Lumia Cyan and Windows Phone 8.1 in the UK. Today, however, the release of the full update for this smartphone to a new version of firmware. Customers from Africa, South America, Middle East, Europe, Asia-Pacific and Canada began reporting on obtaining updates Lumia Cyan and Windows Phone 8.1 for the Nokia Lumia 920.
It is worth noting that if you have previously installed the Windows Phone 8.1 Developer Preview, you will need to first downgrade the operating system using the application Nokia Software Recovery Tool. Then you need to re-install the Developer Preview, to get early access to Windows Phone 8.1 Update 1.