ZTE was one of the first Firefox OS phone makers, and now with the ZTE Open C, the company brings us better specs across the board...compared to the original ZTE Open.

Photo by: Stephen Shankland/CNET

The Open C comes in blue, orange, or black -- the colors most associated with Mozilla's open-source Firefox OS. On the back is a 3-megapixel camera.

Photo by: Stephen Shankland/CNET

Specs-wise, you're looking at a 4-inch screen with an 800x640 resolution, 512MB of RAM, 4GB of flash storage, and a 1,400mAh battery.

Photo by: Stephen Shankland/CNET

A distinctive metallic strip runs down its long edge. At 10.8mm thick, it's thinner than some rivals.

Photo by: Stephen Shankland/CNET

Atop the phone you'll find a power button and a headphone jack.

Photo by: Stephen Shankland/CNET

The volume rocker sits on the phone's right spine.

Photo by: Stephen Shankland/CNET

Firefox OS has two ways to install apps -- the Firefox Marketplace and this, the search tool powered by EverythingMe technology. It searches the Web for sites or apps that fit the search terms.

Photo by: Stephen Shankland/CNET

Because Firefox OS is a browser-based operating system, apps like this contact manager on the ZTE Open C are really just sophisticated, mobile-optimized Web sites.

Photo by: Stephen Shankland/CNET

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