Abstract:
Soon after Apple’s first foldable screen phone iPhone Duo was launched, some of the first users reported a serious problem on the Internet. Multiple cases have shown that the internal screen of the device has been highly consistent in damage, and outsiders suspect that the problem may be related to structural defects in the hinge.
According to information posted by users on social platforms and related communities, similar symptoms often appear before the failure occurs. Some users said that during normal use, the hinge of the phone suddenly became extremely tight, and it required significantly more force than usual to unfold the device. When force is continued to be applied to unfold, a "pop" or "click" sound will be heard inside the hinge, and then permanent damage will occur to the display area on the inside of the folding screen.
Judging from the photos currently exposed, the affected devices almost exhibit the same failure mode. An obvious vertical bright line will appear at the center crease of the inner screen, and a horizontal bright line or pixel damage area will extend on the right half of the screen, forming a very recognizable damage pattern.
These issues involve inconsistent device usage times. Some users said the malfunction occurred a few days after purchase, while others reported that the problem appeared within a few hours of turning on the phone. Many users emphasized that the device did not suffer from drops, impacts, or other abnormal usage. Some of them had used other brands of folding screen phones for a long time, so they believed that the failure was not caused by improper operation.
As related cases continue to emerge, some users have sought after-sales support from Apple or operators. Apple currently provides replacement services for devices that have been confirmed to have problems. However, due to the tight supply of iPhone Duo in the early stage of its launch, many users are temporarily unable to obtain spot replacement machines, especially the supply of 1TB and 2TB high-capacity versions is more limited.
As of now, Apple has not publicly stated the cause of the problem. Industry observers believe that the hinge structure is likely to be the core link of this failure, judging from the increased hinge resistance, abnormal noise, and subsequent screen damage in many cases. One speculation is that some devices may have assembly deviations in hinge components or abnormal positioning of internal components, causing additional pressure on the flexible screen and eventually causing damage to the display panel.
However, the scale of the affected equipment is still unclear at this stage. Many media reviewers who have been testing the device for a long time, as well as a large number of ordinary users, have not reported similar problems, so it is widely believed that the failure is likely limited to individual production batches rather than a comprehensive design flaw.
It is worth noting that since Apple entered the folding screen market, it has always positioned iPhone Duo as a high-end flagship product, and its durability and hinge reliability are regarded as important indicators of product success. If more similar cases appear in the future, Apple may need to further investigate the production and assembly process and take corresponding measures to maintain consumer confidence.
Currently, for users who have purchased iPhone Duo, paying close attention to changes in the hinge's opening and closing feel and whether the device has abnormal resistance or noise may become an important reference for judging potential risks.
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