If you compare the phone in your pocket to the model before it, you probably won't find a lot of change. Maybe a faster processor and a bigger screen, but those are small potatoes. The last time phones underwent any big hardware shift was when manufacturers began swapping dim LCD screens for bright OLEDs a few years ago. This year, another big change is in the works: phones with curved screens. Samsung's Galaxy Round bends in from the sides, and LG's G Flex bows inward from the top and bottom. Apple has also filed a patent for a curved battery, a critical component for a contoured phone.
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