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Why Apple’s Folding iPhone Duo Screen Is Cracking

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A Shiny New Foldable Hits a Rough Patch

Apple’s long-rumored foldable has finally arrived, and the excitement was real. Then, almost as soon as the first units reached customers, reports started rolling in that the inner screen on some brand new devices was already breaking. Photos on social media showed cracks and streaks appearing right above the hinge, usually on the right side of the display. For anyone who just spent a small fortune on the phone, that is a gut punch.

Apple has acknowledged an “issue” and says it is replacing damaged units. The company has not said how many phones are affected, describing the problem as affecting a “small number” of Duo units. Still, the speed at which the complaints piled up has people asking a fair question: what exactly is going wrong?

Inside the Hinge That Might Be the Culprit

Teardown specialists at iFixit have taken apart the iPhone Duo and have a working theory. The hinge is a complicated mechanism of gears, springs, and joints designed to let the phone close flat while giving the flexible inner screen room to bend gently instead of creating a sharp crease. The trouble seems to sit where a center support bar meets a flex cable that runs through that same area.

According to iFixit’s lead technician, the inner panel is already extremely sensitive. In the damaged units people have shared, the black marks on the display line up with spots where metal from the hinge appears to press against the glass. If the center bar does not drop low enough when the phone folds, it could create a stress hot spot, and that kind of pressure repeated over time is exactly what delicate screens hate. One user even reported hearing an audible crack while repeatedly opening their device, and a durability tester’s teardown found a hinge component that had snapped.

What Buyers Should Keep in Mind

It is worth keeping this in perspective. Foldable screens are still among the most fragile components in consumer electronics, and early-generation hardware almost always shakes out bugs once real-world data comes in. iFixit’s experts noted that the phones are largely working well for most people, and Apple has the data to see whether this is an isolated batch issue or a design flaw. If the failures continue for several months, a recall or a redesigned hinge becomes more likely. Many analysts expect the next generation of foldable iPhones to address this directly, since this is the first time Apple engineers are seeing how the hinge performs at scale.

For shoppers, the lesson is simple. If you are eyeing the iPhone Duo, consider waiting a few weeks to see how Apple responds and whether a clear fix emerges. Look closely at warranty coverage and AppleCare options before you buy, because a foldable screen repair is not cheap. Early adopters who love the form factor may still be happy to take the plunge, but everyone else has a reason to pause. Watching how Apple handles this rollout will also tell you a lot about how mature foldable technology really is, and that matters when you decide whether a foldable is your next phone or a future upgrade.

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