Apple’s first foldable iPhone may already be facing its first hardware issue, with some iPhone Duo owners reporting permanent damage to the inner display after experiencing unusual resistance when opening the device.
According to reports shared online, including on the dedicated iPhone Duo subreddit, affected users noticed that the hinge had become unusually stiff before hearing a popping or cracking sound when attempting to unfold the phone.
Shortly afterwards, a vertical line appeared down the middle of the display, accompanied by a horizontal line extending across the right half of the screen. The similarities between the reports have raised concerns about a possible hinge defect, although the exact cause has yet to be confirmed.
What’s particularly concerning is how quickly the issue appears to develop. Some owners reported experiencing the problem within hours of getting their phones, while others encountered it after several days of normal use.
Several users also claimed they hadn’t dropped, modified or mishandled their devices, with some pointing out that they had previously owned foldable phones without experiencing similar problems.
Affected customers have reportedly contacted Apple or their mobile carriers for assistance, with Apple offering replacement devices in response to the complaints. However, limited stock has made getting a replacement difficult for some owners, particularly those with the higher-capacity 1TB and 2TB models. That could leave affected customers waiting longer than expected for a working device.
It’s still too early to determine whether this is a widespread manufacturing problem or an issue affecting a limited batch of devices.
While the repeated reports of hinge resistance followed by display damage suggest a possible connection, there’s currently no confirmed explanation for what’s causing it. Most iPhone Duo owners, including reviewers who have spent longer with the device, haven’t reported similar problems.
For anyone experiencing unusual resistance when unfolding their iPhone Duo, it’s worth avoiding further force and contacting Apple Support as soon as possible. With the cause still unclear, the reports will be worth keeping an eye on as more customers get their hands on Apple’s first foldable.
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