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Definition: Galaxy Fold

Samsung's first foldable smartphone expected in April 2019. Using a flexible OLED screen, the Fold is a 4.6" phone for making calls but opens into a 7" tablet-sized device for apps. See Galaxy S, Galaxy A and Galaxy C.

It's a Phone; It's a Tablet
When closed, the Fold becomes a rather thick smartphone but when opened, it offers the convenience of a 7" tablet. (Images courtesy of PCMag.com.)