Samsung's already-ailing smartphone business could have another big problem soon. In a new interview with Engadget, Xiaomi global VP Hugo Barra noted that the company is well into testing its high-end, low-cost Android phones for U.S. networks, suggesting an official launch can happen as soon as 2017. Barra told Engadget that the company has special versions of its Mi 5 and Mi Note 2 smartphones made specifically for testing in the U.S. Because the U.S. uses wireless bands that aren't often used around the rest of the world.



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