Apple’s first foldable smartphone is facing early durability concerns after some owners reported cracked inner displays shortly after receiving their devices, raising questions about the reliability of its folding mechanism.
The reports, which began circulating on social media shortly after the iPhone Duo went on sale on October 23, describe screens developing cracks along the hinge and displaying unusual lines of bright pixels. Some affected owners claim the damage occurred during normal use, with one Australian customer reporting a failure after fewer than 20 openings.
The issue has drawn attention from technology publications and repair specialists, with some online communities referring to the reports as “Crackgate.” However, the full extent of the problem remains unclear, and there is not yet enough evidence to establish whether the incidents point to a widespread manufacturing defect or isolated hardware failures.
iPhone Duo Owners Report Screen Failures Within Hours
According to MacRumors, an Australian owner reported that the inner display of his iPhone Duo cracked after approximately six hours of ownership. The user said he felt something unusual beneath the screen near the hinge while opening the device to show it to a friend. An audible cracking sound followed, and the display broke along the folding area.
According to MacRumors, an Australian owner reported that the inner display of his iPhone Duo cracked after approximately six hours of ownership. The user said he felt something unusual beneath the screen near the hinge while opening the device to show it to a friend. An audible cracking sound followed, and the display broke along the folding area.
The owner said there were no visible marks on the screen or external hinge to suggest that the phone had suffered an impact or that an object had become trapped in the mechanism. The customer subsequently visited an Apple Store, where the device was reportedly replaced.
Other owners have shared photographs of similar display failures on Reddit and technology forums. The reported damage commonly appears near the center fold, sometimes accompanied by a bright line of pixels extending across part of the screen.
However, the number of affected devices remains uncertain. Technology publication 9to5Mac reported seeing approximately 10 distinct cases in its initial coverage, while other reports have highlighted additional incidents.
These reports establish a recurring pattern among some affected devices, but they do not establish the overall failure rate or prove that every incident has the same cause.
Hinge Mechanism Emerges as a Possible Cause
Preliminary hardware investigations suggest that the hinge assembly could be contributing to some of the reported screen failures. In a report published on October 25, AppleInsider examined a teardown by YouTuber CuriousHagi, who reproduced a display failure during durability testing before disassembling the damaged device.
The teardown reportedly revealed a broken component within the hinge mechanism. The component appeared thinner than neighboring connecting elements and had fractured near a notch, potentially creating a weak point under mechanical stress.
The damaged hinge component also appeared to have left marks on a nearby support structure. An impact mark was reportedly visible on the underside of the display, supporting the possibility that a failed or displaced component had pressed against the screen.
Under this theory, a hinge component could break or become misaligned during folding, placing concentrated pressure on the flexible display and causing damage from underneath. However, this remains a preliminary explanation based on a teardown and durability test. It has not been established that the same component is responsible for every reported failure.
iFixit Identifies Potential Stress Points in the Hinge Design
Independent repair specialist iFixit has also investigated the iPhone Duo’s internal construction, offering another possible explanation for the display problems. In its teardown published on October 25, iFixit examined the relationship between the folding mechanism, internal display supports and the flexible cable connecting components across the phone’s two halves.
Independent repair specialist iFixit has also investigated the iPhone Duo’s internal construction, offering another possible explanation for the display problems. In its teardown published on October 25, iFixit examined the relationship between the folding mechanism, internal display supports and the flexible cable connecting components across the phone’s two halves.
Its analysis identified an area near the transition between the cable passage and the central hinge support where several structural edges meet. According to the investigation, the arrangement could create concentrated mechanical stress as the display bends.
The report also raised the possibility that parts of the hinge mechanism might not retract or move as intended, potentially allowing a component to interfere with the display. Separately, iFixit found that dust could enter the hinge during testing. Particles inside moving components can potentially interfere with their operation, although the presence of dust alone does not establish the cause of the reported cracks.
These findings point to several possibilities, including a defective hinge component, mechanical interference, pressure on the display, debris or a manufacturing issue. Importantly, iFixit’s findings do not establish that a design flaw is responsible for all affected devices. Further investigation would be needed to determine whether the reported failures share a single underlying cause.
Display Damage Produces Similar Visual Symptoms
One of the most notable aspects of the reports is the similarity in the resulting display faults. Affected devices have reportedly developed cracks or damage along the folding area, followed by bright lines or blocks of illuminated pixels across part of the inner screen.
One of the most notable aspects of the reports is the similarity in the resulting display faults. Affected devices have reportedly developed cracks or damage along the folding area, followed by bright lines or blocks of illuminated pixels across part of the inner screen.
These symptoms are consistent with damage to the display panel or its underlying electrical connections. In a foldable smartphone, concentrated pressure or physical damage to the display assembly can disrupt the components responsible for producing an image.
Nevertheless, the appearance of a bright line does not, by itself, identify the precise point of failure. Similar symptoms can result from different types of panel or electrical damage. The repeated location of the reported failures has nevertheless drawn attention to the hinge area, where the display must repeatedly bend while remaining supported by the phone’s internal structure.
Apple Has Yet to Establish the Full Scope of the Problem
As of October 26, Apple has not publicly confirmed the root cause or the overall scale of the reported failures. Reports indicate that at least some customers who brought damaged devices to Apple Stores received replacements. However, individual replacement cases do not establish that Apple has introduced a company-wide replacement policy or confirmed a manufacturing defect.
As of October 26, Apple has not publicly confirmed the root cause or the overall scale of the reported failures. Reports indicate that at least some customers who brought damaged devices to Apple Stores received replacements. However, individual replacement cases do not establish that Apple has introduced a company-wide replacement policy or confirmed a manufacturing defect.
The company has also not publicly announced a recall or a dedicated repair program specifically addressing the reported hinge-related screen failures, according to the technology reports available at the time of writing.
The distinction is important because early product complaints can emerge before manufacturers have collected enough information to determine whether a problem affects a particular production batch, a limited number of units, or a broader portion of the product line.
Apple’s investigation will need to establish whether the failures share a common hardware cause and whether any corrective action is necessary. For customers experiencing similar symptoms, contacting Apple Support or visiting an authorized service provider would be the appropriate next step.
What iPhone Duo Owners Should Watch For
Owners should pay attention to unusual cracking or popping sounds, unexpected resistance when opening or closing the device, visible damage near the fold and sudden display lines. If these symptoms appear, users should avoid repeatedly folding the phone to reproduce the problem, as further movement could worsen existing damage. Photographing the screen and contacting Apple Support can help document the condition before the device is inspected.
Owners should pay attention to unusual cracking or popping sounds, unexpected resistance when opening or closing the device, visible damage near the fold and sudden display lines. If these symptoms appear, users should avoid repeatedly folding the phone to reproduce the problem, as further movement could worsen existing damage. Photographing the screen and contacting Apple Support can help document the condition before the device is inspected.
Customers should also request an assessment of whether the damage is covered by the applicable warranty or consumer protection laws. Coverage will depend on the circumstances and Apple’s inspection, rather than on reports involving other devices alone. For now, the reported incidents warrant attention, but the available evidence does not establish how frequently the failures occur among all iPhone Duo owners.
The central question is whether the damage results from isolated defective components or a more fundamental problem with the hinge and display assembly. Further hardware analysis and an official response from Apple will be needed to determine the answer.
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