Dust: The Hidden Achilles Heel of Foldable OLEDs
iFixit's teardown of a Galaxy Z Fold 8 shows that foldable OLEDs, despite IP-rated water resistance, are vulnerable to dust ingress in the hinge. UV-dust testing reveals grime crawls into the hinge causing crunching noises and eventual hinge failure, while the display halves remain relatively clean—highlighting a fundamental cleanability challenge for foldable designs.