AT&T announces Lumia 1520 Windows Phone 8.1 update is now live

[Windows Central]

Starting at 1PM ET today, AT&T has announced that the Lumia 1520 is cleared to receive the Windows Phone 8.1 and Lumia Cyan update.
Owners of the Lumia 1520 can head into their Settings > Phone Update > Check for update to begin to receive the latest OS from Microsoft and new firmware to enable advanced features from Nokia.

Full story from the WPCentral blog...