( The Galaxy Z Flip’s “glass” isn’t any more scratch-resistant than plastic.
There comes a point in the life of every foldable smartphone when, after a wave of hype and highly controlled early looks, the phone actually hits the hands of the general public — and durability issues immediately pop up. We’ve seen it with the Galaxy Fold , which died in the hands of reviewers and was delayed for six months; the Huawei Mate X, which had its launch limited to China and breaks after a single drop; and the (Moto Razr) , which has a creaky hinge that jams easily and a display that delaminates . This weekend it was the Samsung Galaxy Z Flip’s turn to disappoint us. The initial shipments are going out, and we’re already seeing that Samsung’s much-hyped flexible glass cover isn’t much more durable than plastic.
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JerryRigEverything regularly does destructive durability tests on phones, partly by attacking a device with a set of Mohs picks. These pointy metal tools that are calibrated to the Mohs scale of mineral hardness allow a user to determine the hardness of a surface by doing a scratch test. You start with the softest pick and work your way up the set until you find something that can scratch the surface you’re testing. A modern smartphone with Corning’s Gorilla Glass scratches at level 6 on the Moh hardness scale.
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