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iPhone Duo Fails JerryRigEverything's Durability Test

Sand jammed the foldable's titanium hinge shut and the inner screen died under a reverse bend, according to Zack Nelson's teardown of Apple's first folding iPhone.

By Spec Sheet

The Mobile Desk · (2 hours ago)

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iPhone Duo Durability: Destroyed · JerryRigEverything on YouTube

Apple's first foldable just had a rough week on YouTube. Zack Nelson, who runs the durability-testing channel JerryRigEverything, put the iPhone Duo through his usual gauntlet of scratches, bends and grit, and the phone came out looking like a fairly ordinary first-generation foldable rather than something that had solved the category's oldest problems.

The headline failure involves the hinge. Apple rates the Duo IP68 for dust and water resistance, but Nelson buried the phone in sand, dirt and soil anyway. Afterward, it wouldn't close all the way. Debris had worked into the titanium hinge from several points, and the magnets that normally snap the two halves shut couldn't overcome the grit wedged inside. It's not a scenario most owners will hit on a daily basis, but it's a real one for anyone who takes a foldable to a beach or a construction site.

The inner flexible display didn't fare much better once Nelson moved past scratching into bending. The screen carries a nano-texture coating that, according to Nelson, does a decent job hiding scratches compared with the glossier panels on many rival foldables. That held up fine under normal testing. But when he bent the open phone backward, against its natural fold, the titanium frame itself stayed intact. The AMOLED panel didn't. A green line appeared first, then more lines, and eventually the display stopped responding altogether. Nelson's video notes that replacing that inner screen reportedly runs around $1,000.

A familiar foldable trade-off

What makes the result notable is Nelson's own track record. He says he's been running this same routine on foldables for nearly seven years, since the category's first generation, and most of them survive it. The iPhone Duo didn't, at least not the reverse-bend portion of the test.

The outer display came out looking more like a conventional iPhone screen. Built with Ceramic Shield 2, it picked up only faint marks at the higher end of Nelson's Mohs hardness scale, the same kind of scratch resistance Apple's glass has delivered on non-folding iPhones for years.

None of this suggests the Duo is going to fall apart during ordinary use. Nelson's tests are deliberately extreme, designed to find the breaking point rather than simulate a typical day in someone's pocket. But the hinge debris issue and the inner screen's sensitivity to reverse bending point to the same trade-offs that have shadowed foldables since Samsung and Motorola's earliest models: treat the fold gently, and keep sand and dirt away from the seams. The full test, including every scratch and bend, is up on the JerryRigEverything channel.

iPhone Duo: everything we knowPrice, specs, release date and deals in one place

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How this story was made

Written by the Hitechreports desk from the reporting credited above, with facts attributed to their original publishers. We do not test devices ourselves; anything about performance, battery life or cameras comes from the outlets that did. Prices are as reported at the time of writing. Editorial policy · Report an error

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