The iPhone Duo has a provisional 5/10 from iFixit and EU repairability Class C, with an index of 2.65/5. After taking mine apart, I can see why a single score needs some explanation.
A separate charging port is a welcome surprise. An hour spent freeing the folding display is much less fun. Here is how those published ratings compare with my own teardown experience.
What iFixit’s 5/10 Actually Means
iFixit awards the Duo a provisional 5/10, its highest foldable score so far. It praises battery removal and access to smaller components, while the inner display and hinge account for the biggest deduction.
The provisional part matters. In its video verdict, iFixit says it is waiting for replacement parts. That is a limitation in its assessment, not a claim that I tested replacement parts in mine.
Its positives sound familiar: I like the separate charging port and how well the first battery’s adhesive releases. Its concern about the folding display also lands very close to home.
The EU Rating Is Class C
The official EU product sheet for model A3720 lists repairability Class C and an index of 2.65/5. The large A at the top of the energy label is the energy-efficiency grade, not the repairability grade.
The sheet includes disassembly, fasteners, tools, spare parts, software updates and repair information in its repairability breakdown. That scope is broader than the removal work in my video. It also explains why doubling 2.65 to compare it with iFixit’s ten-point scale would be misleading: these are different assessments.
My teardown helps put the physical-access part into context. It does not independently verify every entry in the EU product sheet.
Where My Teardown Agrees
The outer display comes away more easily than I expect from a foldable, with a frame to work against. Under the I/O board is a separate charging-port module held by two T4 screws. The first battery’s electrically activated adhesive releases surprisingly well.
Those are useful design choices. There are still delicate, overlapping flex cables, and the two batteries sit behind different sides of the phone. A separate port does not make the whole repair a two-screw job.
A Working Screen Is Not the Whole Result
Touch ID is extremely difficult to remove. I get the original assembly out, but I would not look forward to repeating that job.
The inner display takes about an hour in my attempt. It works after reassembly, but the frame cannot go back the same way and needs replacing. That is why the difficult-display warning matters to me, even after the panel lights up.
A separate charging port, a framed outer screen and a first battery that releases well.
Awkward Touch ID removal and an inner display that leaves a frame to replace.
iFixit’s hinge findings belong to its investigation. My teardown does not establish the outcome of a hinge replacement, and I am not borrowing its tests as my own.
Would I Give It the Same Score?
I would judge access, removal risk, replacement and restoration separately. This proposed PRG rubric is for review, not an official rating.
| Category | The question |
|---|---|
| Access | How much of the phone has to come apart to reach the failed part? |
| Removal risk | How difficult is removal, and what else needs protection or replacement? |
| Replacement | Can the new part be obtained, installed and configured where needed? |
| Restoration | Does the phone fit together properly and pass the relevant function checks? |
I am leaving my own numerical score open. My video does not show new sensors, batteries or panels fitted and checked, and the frame work is unfinished. The published ratings give useful context; they do not fill those gaps in my teardown.
Final Thoughts
The Duo can be impressive to open in one place and frustrating in another. Its modular port deserves credit, but the folding display and Touch ID are the jobs I would worry about most.
Does iFixit’s provisional 5/10 feel fair after seeing the work involved? Would the EU’s Class C make you hesitate, or would the particular repair you need matter more than either overall rating?
See you in the next article!
