Lumia Denim
Lumia Denim update for Lumia 930 and Lumia 1520 will start this month. Lumiaconversations

The next iteration to Lumia Cyan update is set for a roll-out for some specific Lumia devices powered by Windows Phone 8.

According to a disclosure made by an unidentified source of NokiaPowerUser, the Lumia Denim update along with Lumia Camera version 5.0 is almost ready to release for "some specific device-region combinations".

The source fails to mention the exact details of the devices and regions, but further speculates that the Lumia 830 and Lumia 930 will get the update first, followed by the Lumia 1520.

The Lumia Denim firmware with new enhancements from the latest Windows Phone 8.1 Update 1 or, GDR1 will start rolling out officially in the fourth quarter, but according to rumours, the release is expected in the second half of this month. The roll-out will stretch to two months.

Some of the features of the Lumia Denim, which is exclusive to Lumia models, are hardware dependent and announced for Lumia 930, Lumia Icon, Lumia 1520 and Lumia 830. Following are the key elements of the Lumia Denim firmware.