iPhone Duo teardown: iFixit scores it 5/10 and names a likely cause of cracked screens

iFixit published its teardown of Apple's iPhone Duo on 25 October 2026, two days after the foldable went on sale, and gave it a provisional repairability score of 5 out of 10, the highest the site has awarded a foldable. The same teardown offers a hypothesis for the cracked inner screens that some early owners have reported: a part of the hinge's centre support may not be dropping far enough, concentrating stress at one spot. iFixit presents this as a theory, Apple has not commented on a cause, and nobody has said how many phones are affected.

Key points

• iFixit's iPhone Duo teardown (25 October 2026) scores it 5/10 for repairability, provisional until replacement parts are available, the best score it has given a foldable.
• Without Apple's repair coverage, replacing a damaged inner display costs US$999; replacing only the cover layer costs US$49 without AppleCare and US$19 with it, according to iFixit.
• iFixit's hypothesis for the reported cracks is that the centre support bar of the hinge may not drop far enough, creating a stress hotspot; it is not confirmed.
• The phone went on sale on 23 October 2026; the number of affected units is unknown and Apple had not commented when the teardown coverage was published.
• The battery is two cells (7.5 Wh and 11.6 Wh, 19.1 Wh in total) held with electrically releasable adhesive that iFixit says released cleanly.

What happened

The iPhone Duo officially launched on 23 October 2026, after a limited preorder period. Within hours, owners in several countries began posting photos of inner displays cracked near the fold. The most detailed account, reported by The Apple Post, came from an Australian owner whose phone failed after roughly six hours and fewer than 20 openings; an Apple Store swapped it for a new unit. These are self-reported cases, and the reports do not say how widespread the problem is.

On 25 October, iFixit published its teardown. The headline result is the 5/10 score. iFixit says it is provisional, because the score depends on replacement parts becoming available, and it gives no sub-scores. According to iFixit, the inner display and the hinge cost the most points, while a removable outer screen, a battery that releases easily and reasonable access to smaller components helped.

On the cause of the cracks, iFixit says the reported breaks cluster near where the display's cable gap meets the central hinge support, slightly lower than the cable path. Its simulation suggests the centre support bar may not descend far enough, which would create a stress hotspot. iFixit does not rule out the flex cable but says the symptoms point elsewhere. The Verge, summarising the teardown, describes the same area slightly differently: it says iFixit suspects part of the hinge sometimes isn't descending properly, and notes an accordion cable that passes over that spot near the edge of the battery, which might concentrate pressure and lead to the "audible crack" some owners describe. Both accounts describe a hypothesis, not a finding.

A separate teardown pointed at the hinge too. The Verge reports that a YouTuber, CuriousHagi, reproduced a cracked screen during durability testing and then took the phone apart. He found that one of the linking pieces in the middle of the hinge, thinner than the links above and below it, had snapped at a small notch where it would be weakest, and saw marks where the hinge met the support plate that may show where it caught. That is one device and one person's analysis, so it supports the hinge theory without proving it.

Background

Foldables have a long record of durability trouble at launch. Samsung's original Galaxy Fold had a delayed launch and a redesign; as one outlet notes, that was a delay and a fix, not a recall of units already sold. Repairability has been the other long-running complaint: the display and hinge are costly to replace, and the glue and layers around them make repairs slow. iFixit's own estimate for a typical do-it-yourselfer replacing the inner screen of a Pixel 10 Pro Fold is three to five hours; it expects the Duo to be faster because the other side of the device does not need to be opened.

Apple describes a hinge of more than 100 components that, in Apple's words as quoted by tech-ish, "supports the center of the display to hold it flat when opened." The same outlet reports that Apple has not published a fold-cycle durability rating, although Apple calls the phone "built to last". It also reports that Joanna Stern's test machine opened and closed a Duo more than 32,000 times without cracking, a reminder that the failures reported so far may be a minority.

The numbers

Repair prices are where the foldable premium shows. iFixit's figures for repairs without Apple coverage, plus the AppleCare+ prices reported by tech-ish, are below.

Inner display, no coverage999

Inner display, AppleCare+99

Cover layer, no AppleCare49

Cover layer, AppleCare19

iPhone Duo repair prices (US$)

	US$
Inner display, no coverage	999
Inner display, AppleCare+	99
Cover layer, no AppleCare	49
Cover layer, AppleCare	19

Source: iFixit teardown (25 Oct 2026); AppleCare+ display fee as reported by tech-ish

The battery is two cells of 7.5 Wh and 11.6 Wh, 19.1 Wh in total. iFixit used a VoltClip and a 9-volt battery to release the electrically releasable adhesive, and says the cells came out cleanly. The metal shells reduce puncture risk if the adhesive ever fails. The display stack has more than ten ultrathin layers and adhesives, the logic board and I/O board are single-layer, and the teardown needed five types of screwdriver plus pentalobe screws.

On the design details, the inner screen's matte nano-texture cover does more than cut glare, according to The Verge's summary: it scatters reflections and helps mask the crease. iFixit also found oval subpixels arranged at different angles, which it believes are meant to reduce artefacts around the fold. The cover is relatively easy to replace without touching the OLED underneath. In iFixit's glow-dust test, dust still reached the USB-C port, speaker grilles and hinge, and the hinge became "crunchy"; The Verge adds that noticeably less dust got in than with Samsung's Z Fold8 or Google's Pixel 11 Pro Fold. Cleaning the moving parts means removing the flexible display and its supports.

What it means

For buyers, the teardown shows a phone that is easier to open than other foldables but still expensive to repair where it matters. At US$999 for an out-of-coverage inner display, a crack is a major cost, and tech-ish reports the phone's list price as US$1,999 for the 256 GB model with a 7.6-inch unfolded screen. The cover layer is the cheap part, at US$49 or US$19, and that is the part most likely to take everyday scratches.

For repair shops and the right-to-repair debate, Apple publishing a repair manual at launch matters, as does iFixit's plan to sell replacement screens "as soon and as affordably as we can" and its expectation of parts through Apple's self-service programme soon. The manual's guidance on the hinge is less encouraging: tech-ish reports that it says "There aren't diagnostics or software remedies for hinge issues" and tells technicians to replace the inner display assembly, with no standalone hinge on the parts list. That reading comes from tech-ish's account, not from a manual we opened ourselves.

For Apple, the risk is reputational more than technical until the scale is known. If the failures are a rare assembly issue, replacements at the counter, which tech-ish says most owners who returned phones received on the same day, may contain it. If a design weakness is behind them, the centre-bar theory would point to a hardware change rather than a software fix.

What to do

• If you own a Duo: don't force the hinge if it catches or feels stiff, and keep your proof of purchase. If the screen cracks with no impact, contact Apple. tech-ish argues that a crack within hours and without impact marks should fall under the one-year manufacturing-defect warranty; that is its reading, not an Apple statement, so ask Apple directly what it will cover.
• If you are deciding whether to buy: the number of failing units is unknown, and some circulating photos are reused, one is reportedly AI-altered, and a fake crack wallpaper is circulating, according to tech-ish. Waiting for Apple's response and more teardown evidence is a reasonable choice.
• If you plan to repair it yourself: expect to wait for parts. iFixit's score is provisional until they exist.

What we don't know yet

• How many iPhone Duo units have cracked, and whether the rate differs from other foldables. Apple has given no figure.
• Whether the centre-bar theory is right. iFixit calls it a hypothesis, and the Verge reports a different broken link in a single YouTuber's unit.
• What Apple will do: a hinge fix, a manufacturing change or a replacement programme. Apple did not immediately respond to The Verge's request for comment. No recall has been announced.
• Whether claims that repairs can't happen until January are true. tech-ish says it traces to one US customer's account of a carrier, with January dates referring to new-unit deliveries.

What to watch next

• Any statement from Apple on the cracks, a service programme or a revised hinge part.
• iFixit's sub-scores and when it can sell replacement screens, and when parts appear in Apple's self-service programme.
• More independent teardowns and durability tests, especially ones that reproduce the failure on purpose.
• The 30 October launch in another 28 countries and regions, reported by tech-ish.

Sources

• iFixit, iPhone Duo teardown (25 October 2026), the primary source.
• The Verge, iFixit's look inside the iPhone Duo may explain those broken screens and hinges (25 October 2026).
• The Verge, A YouTuber dissected an iPhone Duo and thinks he found the cause of crackgate (25 October 2026).
• The Apple Post, Early iPhone Duo owners report screens cracking along the hinge (23 October 2026).
• tech-ish, "CrackGate": what we know about iPhone Duo screens cracking along the hinge (25 October 2026).