Nokia and T-Mobile are pricing the Lumia 710 at $49 in the United States with a two-year contract, clearly aiming at a U.S. midmarket increasingly dominated by Google Android devices.
The Lumia 710 features access to Microsoft's growing collection of mobile apps, in addition to Nokia-specific ones, such as Nokia Drive.
The Windows Phone interface offers a set of subject-specific "hubs" (such as "People") that group applications and Web content, in contrast to other smartphone interfaces and their gridlike screens of individual apps.
Nokia rates the Lumia 710's maximum 2G talk time at 6.9 hours and maximum 3G talk time at 7 hours.
ScreenThe Lumia 710's 3.7-inch touch screen includes what Nokia calls "ClearBlack," which it claims makes blacks deeper and colors pop.
The Lumia 710 is backed by a 1.4GHz processor.
Here is a look at the Lumia 710's 5-megapixel rear camera.
In the United States, the Lumia 710 is being offered in either black or white.
Nokia executives have hinted that the Lumia 710 is just the start of a much larger road map of product releases, which could very well include the higher-end Lumia 800.
Both Microsoft and Nokia hope the new device will gain traction among users, and help both companies establish a more substantial presence in the U.S. smartphone market.