On February 11, 2015, Verizon released the Windows Phone 8.1 operating system and Lumia Denim firmware update for the Icon.

Now that Verizon Wireless has updated the Icon directly to Denim, skipping Cyan, the OS and firmware distinctions have largely been eliminated.

Reviewers were split on the design of the phone, with some praising its metal build quality as solid and premium, and others criticizing it for being too utilitarian and conservative.

[1][12][17][18] Brad Molen of Engadget called the Lumia Icon "the solid high-end Windows Phone that we've wanted for a long time.

It has an amazing display, great performance and solid imaging capability, but its exclusivity to Verizon will severely limit its appeal.