Geeksphone Keon with Firefox OS dialer app

BARCELONA, Spain--The Firefox OS phone app includes tabs for a dialing keypad, an address book to find contacts, and a recent call list.
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Geeksphone Keon in profile

The Geeksphone Keon viewed from the side.
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Geeksphone Keon with Firefox OS unlock screen

The opening screen of Firefox OS running on a Geeksphone Keon.
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Geeksphone Keon and camera

The back of the Geeksphone Keon shows the Firefox OS logo and its 3.5-megapixel camera.
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Geeksphone Keon FM radio tuner

The Geeksphone Keon has an FM radio tuner app -- but it requires headphones to be used as an antenna.
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Geeksphone Keon viewed end-on

The bottom of the Geeksphone Keon shows it's not terribly thin, but it is a low-budget phone, after all.
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Geeksphone Keon on display at MWC

Carlos Domingo, Telefonica Digital's director of product development and innovation, holds a Geeksphone Keon Firefox OS phone.
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