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Several users have complained about problems with the main screen of the foldable iPhone Duo shortly after its global launch on Friday, October 23, 2026. According to detikinet, complaints circulating on Reddit show a similar pattern: a dark line along the hinge and a white line on the right side of the internal screen.
Lines resembling a lightsaber
Photos uploaded by users show a vertical dark line on the section of the screen aligned with the hinge. A bright white line can also be seen on the right side of the screen, which several users described as resembling a lightsaber.
The reports emerged only a few hours after some owners received their devices. In addition to consumer reports, several photos circulating on the iPhone Duo forum on Reddit were said to appear to show demonstration units in China with similar symptoms. However, it remains unclear how widespread the problem is or how many devices are affected.
Broken after being unfolded fewer than 20 times
One report came from Reddit user u/Midnight_Slump in Australia. The user said they had owned the iPhone Duo for only six hours after picking it up from a store. During that time, the device had reportedly been unfolded fewer than 20 times.
According to the user's account, as quoted by The Verge on Sunday, October 25, 2026, the problem occurred while they were showing the phone to a friend. The user said they felt something in the internal hinge beneath the screen. As the device continued to open, a cracking sound was heard, and the screen then broke directly along the hinge.
The user also said there were no visible signs of damage on the surface of the internal screen or the external hinge. According to the account, there was no indication that an object had become trapped inside or that the exterior of the device had previously been damaged. This statement is the device owner's testimony and does not yet explain the technical cause of the damage.
Unit replaced at an Apple Store
After discovering the damage, u/Midnight_Slump took the device to the nearest Apple Store. According to the user's account, Apple apologized and immediately replaced the faulty unit with a new device.
The user later wrote that on the first day of ownership, after just six hours, the replacement device had already become their second iPhone Duo. The detikinet report stated that the faulty device would likely be collected for examination to determine the cause of the damage and help prevent similar problems in the future. However, this was still presented as a possibility rather than the result of an official examination.
Extent of the problem remains unknown
The iPhone Duo forum on Reddit also contains other posts showing a similar pattern of lines on the screen. The similarity of the symptoms in several photos has drawn attention to the internal screen and hinge area, but the available reports are not sufficient to determine whether the problem is widespread or limited to a small number of units.
According to the report, hinge damage resulting from normal use should be covered by the one-year warranty. Consumers who have recently received an iPhone Duo were also said to have two weeks to return the device. Owners who notice similar symptoms can document the condition of the device and take it to an authorized service channel for inspection.
