Which Flip Phone is Better: Samsung’s Galaxy Z Flip or the Motorola Razr?

Samsung’s February 11 “Samsung Unpacked” event featured several new devices, including its next attempt at a foldable smartphone: The Galaxy Z Flip. Unlike the Galaxy Fold’s vertically folding screen, the Z Flip folds horizontally like old-school flip phones—not to mention Motorola’s recently released Razr smartphone.A flip-phone battle is brewing, so which smartphone should you get…

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