iPhone Duo inner screens are cracking along the hinge for some early buyers

The iPhone Duo has been in people’s hands for barely a day, and it looks like Apple has a huge mess on its hands. Some early buyers have shared photos of the device’s inner screen that has cracked right along the hinge. The photos I viewed show the mostly the same thing: a break running down the fold, and a bright band of dead pixels across one side of the display.

Some people are calling the photos fake. Others are asking whether it’s a bad batch or a flaw in Apple’s first foldable. Here’s what the reports actually show so far.

What are iPhone Duo owners seeing?

The report that kicked things off came from a buyer in Melbourne, Australia, who posted on r/iPhoneDuo. u/Midnight_Slump said the phone spent most of its first hours restoring from iCloud. Then this happened:

Had my iPhone Duo for about six hours and had probably opened it fewer than 20 times. I was showing it to a friend, and as I opened it, I felt something around the internal hinge, underneath the screen.

As I continued opening it, I heard an audible crack, and the screen broke right along the hinge. There were no marks or damage on the inner screen’s surface or the external hinge to suggest anything had been caught or damaged.

That post hit around 1.3K upvotes and more than 770 comments within a few hours. But this isn’t the only report. Someone else on the subreddit rounded up a few more reports from Chinese communities, many of them demo units in stores, with the damage in almost the same spot on the crease.

Then I spotted a couple of other threads:

Based on what I deduced from going through multiple threads, it looks like reports are coming in from Australia, the US, Canada and China. Leaker Ice Universe also shared images from Weibo.

What you’ll notice is that the damage shows up in roughly the same place along the hinge every time, usually with bright lines on the right side of the inner display. So it’s clear that this is not just a coincidence.

Is Apple replacing the cracked iPhone Duos?

From what the Melbourne owner described, yes, but how quickly depends on where you go.

Apple’s phone support first offered an express replacement. That meant a hold for the full price of the phone on their card, and support couldn’t promise when the new unit would arrive. Given that the Duo costs $1,999 and stock is thin, that wasn’t much help.

So they went to their local Apple Store, and things went much better:

• A lead tech helped them right away and swapped the phone on the spot.
• The tech called it a “day one manufacturing error,” so it was processed as a straight swap at no cost.
• The replacement came in a plain brown service box, not a retail box. The store had only one unit in that color and size.
• The broken phone is reportedly being sent back to California for failure analysis.

The subreddit’s moderators say the owner sent them extra photos and Apple’s repair paperwork, and they marked the post as a verified claim. They also noted they can’t confirm what caused the crack.

If this happens to you in the first two weeks, you can also return the phone. A hinge failure from normal use should be covered by the standard one-year warranty, so you don’t need AppleCare+ for a case like this. One forum member made the same point, saying people were wrongly treating this as an AppleCare+ issue. Another replied that the reason to get AppleCare+ is a failure like this showing up after the first year.

Are the photos fake?

When the Reddit post went up, plenty of people said it was staged. Their arguments:

• The screen looked glossy, so some said the owner must have peeled off the matte nano-texture cover layer.
• Some called it an AI image, pointing to what they thought were extra fingers and to everyone in the frame wearing black.

The owner answered each one. The white streak is a band of dead pixels, not a reflection. The black blob is a Markup scribble covering a photo of their kid. Locals chimed in that black is simply what most people in Melbourne wear.

Many of the China photos are harder to judge. They come from demo units with no backstory, so heavy handling or user damage can’t be ruled out. That said, I did spot some obviously fake images (likely AI-generated) popping up on X and Threads. So not every “broken Duo screen” photo you see is real. Example below:

What could be causing the cracks?

Nobody knows yet, and Apple hasn’t said anything publicly. The Verge asked and didn’t get an immediate reply. Over on the MacRumors forums thread, members have been trading theories:

• The thread’s OP thinks it could be the tension springs that let the hinge hold at different angles. They store a lot of energy, so a badly assembled or faulty spring could damage the screen from underneath.
• Another member said the crack being in the same spot each time points to parts in the hinge shifting and pinching the display, not a foreign object.
• One user suggested the hinge gears were moving out of sync and something “stabbed the inside.”
• Another floated a handling theory. If you pinch one half tightly while flipping it shut, the inner screen can’t slide the way it needs to as it folds.
• Others suspect people are pressing on the crease, something Samsung warns about on its own foldables.

Apple’s description of the inner screen gives some context. It uses glass layers above and below the folding panel, custom adhesives that let the layers slide like book pages, a titanium plate underneath, and a polymer cover layer on top. The hinge supports the center when the phone is open. That fold line is where the panel bends every time, and it fits with the owner feeling “something” push up before it cracked.

On the second page of the thread, the debate turned to production. Several members pointed back to earlier reports of poor manufacturing yields and of Apple building only “a few hundred units a day” at one stage. One wondered whether units that passed initial checks are only failing now in real use. Nobody there has evidence linking the two, though. Others pushed back that no manufacturer has a zero failure rate, and a few owners chimed in to say their Duo is working fine.

Did the iPhone Duo pass JerryRigEverything’s durability test?

Not really, and this is the part I am seeing the most chatter about on X today. Folding tests by reviewers Tim Pan and Joanna Stern ran into the thousands of folds and found wear but no cracks. JerryRigEverything’s video was much rougher on it:

• The inner screen started scratching at level 2 on the Mohs scale, which means a fingernail can mark it. The outer screen held out until level 7.
• Dust got into the hinge and stopped the phone from closing properly, leaving it stuck half open, despite the IP68 rating.
• The inner display showed burn damage after about 10 seconds under a flame.
• In the bend test, green lines appeared before the inner screen stopped working completely.

Some people on X argued the sand test was set up to break the hinge, and one even accused Zack of adding extra sand on purpose. Others replied that the dust test is a standard part of his routine. I should be clear here: a torture test isn’t the same as a phone cracking in normal use, and it doesn’t explain the launch-day failures. It does show how sensitive the hinge and inner screen are. iFixit hasn’t published anything on a failed unit yet.

How do you protect your iPhone Duo?

Apple’s handling guidance for iPhone has a section on the Duo’s inner display. Combined with advice from the threads:

• Don’t peel off the cover layer: Apple says the nano-texture layer is “an integral part of the inner display” and the screen is calibrated to work with it.
• Skip the inner screen protector: Apple says one “can compromise the display performance,” and case maker Tech21 also warns against unapproved protectors on the folding screen.
• Check before you close it: Apple warns that folding keys, coins or other hard objects inside can damage the screen. Its cleaning guide also says to clean off sand and dust right away.
• Open and close from the outer edges: Don’t push your thumbs into the crease, and don’t grip one half tightly while snapping it shut.
• If the hinge feels off, stop: The Melbourne owner felt something before the crack. If you feel resistance or anything odd under the screen, take it to an Apple Store before you keep folding it.
• Don’t expect a software fix: Apple’s iPhone Duo repair manual has a hinge troubleshooting section that went up at launch. It covers a phone that won’t open or close fully, noise while folding, and a loose, bent or broken hinge, and it says: “There aren’t diagnostics or software remedies for hinge issues.” Its last step is replacing the whole inner display assembly. It doesn’t mention cracks.

If you’re out of warranty or Apple says the damage is your fault, it gets expensive. Apple’s screen repair pricing page lists $999 for the inner screen and $49 for the cover layer without AppleCare+, or $99 and $19 with it.

Should you hold off on buying an iPhone Duo?

Right now we have one verified case and a handful of photos with unclear backstories. That’s not proof of a widespread defect, and with this many phones shipping, some failures were always going to happen. Still, cracks showing up in the same spot is worth watching as more Duos reach buyers in the US and Europe this weekend.

If you already have one, use the two-week return window as a safety net and keep an eye on how the hinge feels. If yours cracked, let me know in the comments where the crack showed up and what Apple offered you.

Featured image credit: u/schemastic / Reddit