Manufactories are introducing their new products in the field of the world’s mobile technologies at the exhibition World Mobile Congress taking place today in Barcelona. Thus, Sony has unveiled new smartphones Xperia P and Xperia U. They are the first devices which were announced after the breakup of the joint venture with Ericsson. Both phones are dual-core (CPU clock rate is 1GHz processor), but more expensive Xperia P has a 4-inch, and cheaper Xperia U - 3,5-inch screens. Smartphones are equipped with wireless NFC chip. Camera resolution in Xperia P is 8, while the Xperia U is 5-megapixel. Xperia P can capture a video with a resolution of 1080p. Both phones run mobile operating system Android 2.3, however Sony promises to upgrade the OS to 4.0 in the future. Both devices are due out in the second quarter of current year. Sony did not give details about retail prices of the smartphones. The Taiwanese company HTC has introduced three smartphones of the new line of HTC One smartphones. Among them is quad-core One X model, which is based on Nvidia Tegra platform 3. HTC One X has a 4.7 inch screen, and its resolution is 1280 x 729 pixels. The device is equipped with a wireless chip NFC and 8- megapixel camera. Company says that the device is fitted for fast shooting: it takes 0.7 seconds to run the application, and focusing of the camera requires 0.2 seconds. HTC will start to ship smartphone to retailers in April. Android 4.0 will be installed on the device. In addition, the device will use the Sense 4.0 - new version of graphical user interface HTC.