Samsung's Galaxy S9 and S9+, a full-screen Nokia Android phone and a successor to Sony's Xperia XZ Premium are among the gadgets expected to make their first appearance at Mobile World Congress from Sunday
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Qualcomm Chip Upgrade ‘Gives Galaxy S9 Major Speed Boost’
Early tests indicate the Qualcomm Snapdragon 845 chipset performs 20 to 25 percent faster than last year's model, found in the Pixel 2 and the Galaxy S8