The Xiaomi 17 Ultra is set to be launched in China today, December 25. It is expected to arrive as the top-of-the-line model in the Xiaomi 17 series, which already comprises the Xiaomi 17, Xiaomi 17 Pro, and Xiaomi 17 Pro Max. The company has been revealing several details about the smartphone in the days leading up to its launch. The Xiaomi 17 Ultra is confirmed to d…The Xiaomi 17 Ultra is set to be launched in China today, December 25. It is expected to arrive as the top-of-the-line model in the Xiaomi 17 series, which already comprises the Xiaomi 17, Xiaomi 17 Pro, and Xiaomi 17 Pro Max. The company has been revealing several details about the smartphone in the days leading up to its launch. The Xiaomi 17 Ultra is confirmed to d…