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Early iPhone Duo buyers report inner display damage caused by a potential hinge defect

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Prasad 25 October 2026

Apple iOS

Buyers of Apple's first foldable, the iPhone Duo, are reporting a serious issue online with their purchase. All reports demonstrate a common pattern of a vertical and a horizontal line appearing on the inner display as a result of a potential hinge malfunction.

Image source: scary_duck23 (Reddit) Image source: scary_duck23 (Reddit)

According to these reports, at some point after the purchase of the phone, the hinge felt unusually stiff and opening the phone required some effort. When the user pushed past the resistance, a popping or cracking sound was heard from the hinge, and a permanent vertical and horizontal line appeared on the inner display. All reports online, many of which are on the dedicated iPhone Duo subreddit, show the exact same pattern of a vertical line down the middle and a horizontal line emanating from it on the right half of the folding screen.

Image source: Vishnu_RK (Reddit) Image source: Vishnu_RK (Reddit)

Among the users, some have been using the phone for a few days before the issue occurred. Others had it happen to them within hours of using the phone. For their part, the users claim that they didn't try to tamper with the device or use it in any unusual way, with many claiming prior experience with foldables.

Understandably, the users have also gotten in touch with either Apple directly or through their carriers for a solution. Apple has offered to replace the devices, but most users have not been able to secure a replacement due to limited availability of the device at the time of writing, especially for the 1TB and 2TB variants.

Image source: Bitter_Offer7123 Image source: Bitter_Offer7123

As of now, it's difficult to state with any certainty what the root of the issue is. However, considering all reports state some form of resistance from the hinge before it eventually pops and damages the display, it's quite likely that that's where the problem lies. The issue is likely limited to a select batch of devices, as most users, not to mention reviewers who have been using the device for a lot longer, have not reported this problem.

Apple iPhone Duo

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If you have this problem, make sure you reach out to Apple support with your concern so you can secure a replacement at the earliest.

Via: iPhone Duo subreddit

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  • Apple warns of limited iPhone Duo stock for walk-in buyers on launch day Apple warns of limited iPhone Duo stock for walk-in buyers on launch day
  • It's here: Apple iPhone Duo is the first iOS-powered foldable smartphone It's here: Apple iPhone Duo is the first iOS-powered foldable smartphone

Reader comments

?
  • Anonymous
  • MnJ
  • 14 hours ago

Yeah, not going to arguing with you further. Clearly, not only you're biased, but also with a conversation intelligence worse than a teenager. My exact quote are "even better protected against scratches/drops". Now, how did you get bet...

  • Reply
D
  • DaFink
  • 3GU
  • 17 hours ago

You're accusing me of generalizing while unironically claiming that a folding plastic screen is more durable than a slab phone because "the main screen is inside." That defies basic physics and common sense. No amount of mental gymnast...

  • Reply
?
  • Anonymous
  • MnJ
  • 19 hours ago

I'm not justify my choice. You put all the foldable in assumption of high/premium pricing, and I just give you an example of a near 1000 bucks phone. Given even at the time of Flip6/S24+ 1000 bucks is not exactly mid-low range, it not exactly ex...

  • Reply
  • Read all comments
  • Post your comment
Total reader comments: 152

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