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  By Dave Lee Technology reporter, BBC News North Korea says it has produced its first home-grown smartphone, but experts have disputed its origins. The Arirang handset, described as a "hand phone" in state media, was shown to leader Kim Jong-un during a factory tour. The country has had a mobile network since 2008, but activity is heavily monitored and restricted. Last year the country launched a tablet, but it later emerged it was likely to have been made in China. Clues to the tablet's origin were uncovered by Martyn Williams, an expert on North Korean technology, who noted that parts of the tablet's software code suggested links to a manufacturer in Hong Kong. The Arirang smartphone, named after a popular folk song, was unlikely to have been made in the country, Mr Williams added. He noted that actual manufacturing was shown, and that the device was "probably made to order by a Chinese manufacturer and shipped to the May 11 Factory where they are inspected...

        Samsung has announced a new S Pen stylus for its line of Galaxy Note. New pen was called Advanced S Pen and, in the words Samsung, twice more sensitive than conventional digital pen in Samsung Galaxy Note 4. As the company Advanced S Pen stylus has received a number of new opportunities, become more convenient for drawing and writing (even allows you to save virtually unchanged handwriting) can take screenshots and get more levels of pressure sensitivity. Moreover, a stylus detects the speed, tilting and rotating. In addition, Samsung has released an SDK for developers that will enable them to create applications for the stylus. New electronic pen Advanced S Pen can work with smartphones Samsung Galaxy Note 4 and Galaxy Note Edge. Does not specify whether it is included in the package, or it can be purchased separately.