Nokia World 2011 is being held at Londons Excel convention center.
Side by Side
Stephen Elop, president and CEO of Nokia, introduces the new Lumia 800 and Lumia 710 smartphones based on Windows Phone.
Here is a close-up of the new Nokia Lumia 800 phone.
Nokia's Lumia 800 is primed for games such as Angry Birds.
Nokia's Lumia 800 is ready for applications galore.
Nokia includes a free music service with the Lumia 800.
Nokia also delivers a free navigation application with the smartphone.
The Nokia Lumia 710 is a good social networking phone, officials said.
Front and Back
This is the new Nokia Lumia 710 from a front and back view.
The Nokia Lumia 710 comes in many different colors.
The Nokia music radio is available on Lumia 710.
Nokia's Elop introduces Kevin Shields, senior vice president of program and product management for Nokia's smart devices.
Shields or Ballmer?
Kevin Shields, Nokias senior vice president of program and product management, unleashes his inner Steve Ballmer and bellows that the new Lumia 800 phone is awesome.
The Nokia Lumia 800 features Carl Zeiss optics.
The new Nokia Lumia phones run Microsoft Office.
The Nokia Drive navigation system lets users map out their trips.
Nokia and ESPN teamed up to give Lumia users an exclusive application for sports updates.
This is an example of a Nokia store display for the new phones.
Nokia and Microsoft Talk Shop
Nokia's Shields and Joe Belfiore, corporate vice president of product management for Windows Phone at Microsoft, talk to a room full of press.
This shot shows four devices in different colors and formats. First, is a Lumia 710 in cyan, followed by a Lumia 800 in cyan. Then, there is a Lumia 710 in magenta, followed by a Lumia 800 in magenta.
Nokia 710 Back
Here is a shot of the back of the Nokia Lumina 710.