What 32,000 Folds Did to the iPhone Duo's Hinge - MacRumors
Tech reviewer Joanna Stern conducted a stress test on the iPhone Duo's hinge, folding it 32,000 times to evaluate durability. The device showed no significant degradation, remaining functional and even slightly stiffer after the testing process.
Why it matters
As foldable phones become more common, durability testing provides consumers with necessary data regarding the longevity of expensive hardware.
Apple hasn't shared iPhone Duo hinge tests or given a lifetime fold number like Samsung, but Joanna Stern used a custom device to subject her review unit to more than 32,000 folds over four nights.
Over the course of the testing, Stern said she thought it might be feeling looser as the number of folds increased, but her final conclusion was that she couldn't feel much of a change. A calibrated push-pull gauge used to take readings before and after the Duo fold test showed the hinge was actually stiffer than before.
But in everyday use, I really couldn't feel a difference. So, after 32,000 folds, it felt pretty much the same as day one, which is pretty darn impressive.
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