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iPhone Duo screen issue may not be what you think
The widely discussed iPhone Duo screen issue may not stem from a design flaw as previously thought.
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Apple's first foldable model, the iPhone Duo, which went on sale on October 23, continues to be in the news due to complaints from some users regarding inner screen breakage and cracking. Following suspicions of a general design flaw in the dual-screen device's folding mechanism, a new claim has surfaced regarding the source of the malfunction.
China-based leak source Kang stated that the screen failures stem from a material defect from one of the two hinge suppliers. Kang did not share the name of the supplier or the type of problematic material, noting that this information should not be viewed as a confirmed finding. Apple has not yet officially confirmed the claim.
Suspicion of a specific production batch and serial numbers
According to the shared information, Apple can identify iPhone Duo models containing defective material by scanning serial numbers. This increases the likelihood that the issue is linked to a limited production run rather than an overall design flaw.
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However, there is no indication that the company plans to publicly share the affected serial number ranges, launch a lookup page for users, or proactively recall devices that have not yet malfunctioned.
User complaints and Apple's stance
Some users reporting screen failures shortly after launch said they felt unusual resistance along the hinge and heard cracking sounds while folding before a crack or bright line appeared on the panel.
In a statement on October 26 following the complaints, Apple announced that it was aware of the situation and that the problem affected a small number of devices. Providing device replacements through AppleCare support to customers experiencing screen damage, the company gave no details regarding the technical cause of the failure or whether it was linked to a specific batch.
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Situation on the hinge supplier side
Independent teardowns showed that the hinge's center support structure could place excessive pressure on the flexible display, but did not identify a definitive cause of failure. The claim shared by Kang points directly to material quality.
Fine M-Tec, one of the companies supplying parts for the iPhone Duo's folding mechanism, announced that there were no faults or defects in the components it produced in October. No company in the supply chain, including Fine M-Tec, has been confirmed as responsible for the material defect. If the claim of a defective component is confirmed, it will clarify why the issue only occurred in a limited number of devices from the initial shipment batch.
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This article was translated from Turkish. Read the original article in Turkish.
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