Nokia Lumia 710 is a Windows Phone

Windows Phone

Windows Phone is a mobile operating system developed by Microsoft, and is the successor to its Windows Mobile platform, although incompatible with it. Unlike its predecessor, it is primarily aimed at the consumer market rather than the enterprise market...

 smartphone

Smartphone

A smartphone is a high-end mobile phone built on a mobile computing platform, with more advanced computing ability and connectivity than a contemporary feature phone. The first smartphones were devices that mainly combined the functions of a personal digital assistant and a mobile phone or camera...

. Its release is part of a change in company's direction which has resulted in a move around from the Symbian

Symbian

Symbian is a mobile operating system and computing platform designed for smartphones and currently maintained by Accenture. The Symbian platform is the successor to Symbian OS and Nokia Series 60; unlike Symbian OS, which needed an additional user interface system, Symbian includes a user...

 platform towards windows phone for premium devices (running the Mango version of the Windows Phone OS). While the Nokia Lumia 800

Nokia Lumia 800

Nokia Lumia 800 is a Windows Phone OS powered smartphone, first unveiled by the company's CEO Stephen Elop, on 26 October 2011 at the Nokia World 2011 event...

targets the high-end of the smartphone marketplace, the Nokia Lumia 710 is intended to target the mid-range by offering a device at a lower price point. The Lumia 710 features a 3.7 inch LCD screen and 8 GB of storage. It has been released in some European and Asian countries, but is not expected to reach the US market until early 2012.