Apple has confirmed that a small number of iPhone Duo units are failing at the center crease — but not because of a flaw in the hinge design. The issue traces to a single component: a support plate inside the hinge mechanism, sourced from two suppliers, that’s shearing under stress and cracking the foldable OLED display.

The failure leaves heavy crush marks on adjacent parts and sometimes an impact mark beneath the screen where the broken piece contacts the panel. A serial number can identify affected units, though Apple hasn’t announced a recall or mass replacement program. Instead, it’s directing users with visible crease failures to contact AppleCare for individual replacements, a policy it confirmed on October 26.

Fine M-Tec, one of the hinge component makers, denies responsibility and says it may pursue legal action against unverified claims. Early checks across 20 U.S. Apple Stores found only four reported cases by October 26, and no significant uptick since. That suggests the problem sits within typical early-device mortality rates, not a systemic design or manufacturing failure.

The iPhone Duo launched globally in October 2026. Apple has not disclosed how many units shipped with the affected parts, nor has it said when corrected components will ship in new devices.