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Samsung Galaxy Z Fold user uncovers the reason why hinges aren't unfolding flat

Some Galaxy Z Fold units aren't opening up all the way, and debris may be the reason why.

One Reddit user thinks they've proven why their foldable phone won't open fully flat, and it appears to have something to do with debris finding its way into the moving part of the hinge. Taking apart the device revealed a collection of lint, thread, and other debris were trapped inside the hinge — preventing it from opening. Foldable phones have plenty of appeal, whether they offer a bigger screen or a smaller form factor than a traditional smartphone.

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