According to information obtained by The Verge, the future replacement of Lumia 920 is codenamed Catwalk.
The site also claims that Nokia could abandon the polycarbonate casing in favor of aluminum.
The Verge also writes that the Finnish company aims to propose a lighter but thinner handset than the current Lumia 920.
The report states that the future Lumia will have internal specifications similar to the Lumia 920.
Source: The Verge