iFixit Dust Test Hits iPhone Duo Hinge
PHONES · 26 Oct 2026

iFixit Dust Test Hits iPhone Duo Hinge

iFixit's teardown of the iPhone Duo offers a useful look at how foldable phones hold up in the real world. The device carries an IP68 dust and water resistance rating, and iFixit found that few particles reached the internals. The hinge was the exception. Dust got in and caused it to crunch, which could lead to screen damage.

For product teams, this is a reminder that sealing ratings don't fully cover moving parts. For repair and service leaders, the story also highlights the cover layer. iFixit said the nano-texture layer peeled away easily, which is what Apple intended so it can be replaced inexpensively.

The hinge gathered less dust than the Galaxy Z Fold8 or Pixel 11 Pro Fold in similar tests, which iFixit called encouraging. Still, the lesson is clear: durability for foldables depends on the moving parts as much as the ratings on the box.

Key points

  1. What happened iFixit took apart the iPhone Duo to test its dust resistance and repairability. Before opening it, the team covered it in fluorescent dust.
  2. The key detail Dust reached the USB-C port, speaker mesh and bezel, but few particles got into the internals. The hinge was the weak spot, where dust made it crunch.
  3. Why it matters The hinge could lead to screen damage over time. iFixit called the result encouraging but said it is not ideal for beach trips.
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