With its 4-inch screen and 3.2-megapixel camera, the Coolpad Quattro 4G is Coolpad's first U.S.-released smartphone.
MetroPCS' Coolpad Quattro 4G
If you've never heard of Coolpad, don't worry, you're not alone. Based in China, it recently introduced its first U.S. smartphone: the Coolpad Quattro 4G. Though its specs are low-end, it comes without any carrier strings on MetroPCS.
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