Apple has acknowledged that a small number of iPhone Duo units have an issue with the inner display, after early owners reported cracks appearing along the hinge days after launch. In a statement to MacRumors on October 26, Apple said affected users should contact AppleCare for a replacement. The company did not say what causes the cracking or whether a fix is planned. Apple stressed the problem is limited in scope, with most owners unlikely to see it, while affected users have been able to get in-store replacements where stock allows.
What Apple Said
Apple’s statement to MacRumors said the response to iPhone Duo from early users has been incredibly positive, with developers rapidly updating apps for its form factor. The company then addressed the reports directly: “We are aware of an issue impacting the inner display on a small number of iPhone Duo units. If users experience issues with their iPhone Duo display, they should contact AppleCare for a replacement.” Apple did not give a number of affected units, a cause or a timeline for any fix.
According to Apple, the problem is limited in scope and not a defect people need to worry about showing up over time. On affected units, the crack seems to show up shortly after purchase. Affected users have been able to get in-store replacements, though with limited stock available, some are having to wait. The acknowledgement came three days after the Duo’s October 23 launch, following user reports that began appearing almost immediately.
What Owners Reported
Shortly after launch, a few users reported hinge issues causing cracks in the inner display. Many of the affected phones cracked in the same place, on the lower half of the inner display, along the hinge. Users described a stuck feeling when opening the device and sometimes a popping noise just before the damage appeared. One owner in Australia said his device cracked after being opened fewer than 20 times, according to MacRumors’ earlier report on the complaints.
MacRumors also noted that some images of alleged cracking circulating online are AI-generated, which makes it harder to determine the actual scope of the problem. That caution matters for early defect stories, where social media can amplify a handful of genuine cases with fabricated ones. Apple’s own statement is the firmest evidence so far: a real issue, a small number of units, and replacements on offer, without a confirmed cause.
What Might Be Causing It
iFixit took apart the iPhone Duo and found several possible causes for the hinge failure. The repair site said multiple components converge in the location where the cracks appear, and it is possible that a centre support bar in the hinge that is supposed to retract is not doing so, leading to damage. That remains a possible cause, not a confirmed one: neither iFixit nor Apple has established the mechanism, and Apple has not said whether a hardware revision or a repair programme will follow.
Why It Matters
The Duo is Apple’s first foldable iPhone, and its hinge is the product. A folding phone lives or dies on a mechanism that must survive tens of thousands of opens without damaging the display it protects. A crack appearing within days, even on a small number of units, strikes at the exact claim a foldable must prove, which is why Apple’s response came quickly and why owners are watching for a cause. Limited stock for replacements adds a practical sting: an affected buyer may wait for the replacement of a device bought days earlier.
The launch itself drew large crowds and strong early demand, with Apple’s new iPad Mini launching the same week as part of a busy autumn hardware slate. Apple’s broader device strategy now leans on new form factors and on-device intelligence, with Apple Intelligence features across its current lineup. For the Duo, the next test is not the launch weekend but the weeks after: whether reports stay confined to a small early batch or grow into a wider hardware story.
Background
Apple launched the iPhone Duo, its first foldable iPhone, on October 23, with early coverage framing it as a new kind of iPhone and crowds reported at Apple Stores on launch day. Within days, owners began reporting inner display cracks along the hinge, first on Reddit and the MacRumors forums and then in wider coverage. Apple’s October 26 statement is its first official acknowledgement of the issue, offering AppleCare replacements while giving no cause and no fix timeline.
Sources: MacRumors: Apple Duo crack response
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