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CNET reports that its custom Fold-a-Phone machine has folded an iPhone Duo more than 200,000 times under controlled conditions. The outlet says the test is designed to study durability, not to simulate every kind of everyday use, and that Apple did not fund or participate in building or operating the machine. CNET has not yet reported the phone’s final test result.
CNET says its Fold-a-Phone testing machine has opened and closed an iPhone Duo more than 200,000 times, and the outlet has published answers to questions about how the ongoing durability test works. The project matters because controlled, repeatable testing can offer evidence about foldable-phone hinge durability, but CNET has not said in the supplied material whether or when the device will fail.
CNET says the Fold-a-Phone was designed and built by its staff to test the durability of single-hinge foldable phones. The outlet describes the machine as a controlled test setup: it secures a phone, opens and closes it at a calibrated pace, and uses sensors and computer analysis to examine not only when a device fails but also why. CNET says it plans to compare results from phones tested using this same machine and procedure.
The iPhone Duo is the first phone CNET has tested from beginning to completion on the Fold-a-Phone, largely because developing the apparatus took months. CNET says it has also started testing Samsung’s Galaxy Z Fold 8 and hopes to test other comparable models using the same method. There is currently one machine, the outlet says, and it may build more.
CNET says the phone completes a cycle in just under four seconds: one second closed, one second opening, one second open and one second closing. The outlet says it chose that pace to limit heat and avoid adding undue stress to the hinge or testing equipment. It also keeps the test room cooler than typical room temperature. These are details about CNET’s method, not an independent validation of the test’s ability to predict how long a phone will last in everyday use.
What 200,000 folds tell us about the iPhone Duo
CNET’s ongoing machine test tracks foldable-phone durability under controlled conditions. Its reported count is a progress marker, not a real-world lifespan estimate.
How the test works
CNET says sensors and computer analysis help examine when a device fails and why.
The machine holds a single-hinge foldable in place.
It closes, opens, stays open, then closes at a calibrated pace.
Sensors and recordings are analyzed for failure points.
What the count can show
A consistent procedure can help compare phones tested with the same machine and method.
Progress under test
The Duo has passed the reported cycle count in CNET’s controlled setup.
Everyday lifespan
The test does not reproduce every user, angle, drop, or environment.
CNET’s testing program
The outlet says it is continuing the Duo test and has started testing another foldable.
| Device or test | Status in supplied material |
|---|---|
| iPhone Duo | Ongoing; more than 200,000 folds reported |
| Samsung Galaxy Z Fold 8 | Testing has started |
| Other comparable models | CNET plans to test them using the same method |
What remains unknown
- The Duo’s condition at the reported count
- Whether or when the phone will fail
- How closely the machine cycle predicts everyday longevity
- Comparable results for other tested models
What the Fold Count Can Show
The reported 200,000-plus folds offer a concrete progress marker for a test of a product category where hinge wear and screen durability are common buyer concerns. A repeatable cycle allows CNET to compare devices under similar conditions, which may help identify differences between models and failure points that are difficult to assess through short-term hands-on use.
But the count is not, by itself, a lifespan estimate. People open phones at different speeds and angles, and real devices encounter drops, dust, temperature changes and other stresses that the described machine protocol does not reproduce. CNET says it chose uniform movements to keep the procedure manageable and measurable. Readers should treat the ongoing count as a laboratory observation, not a guarantee that a phone will survive the same number of ordinary-use folds.
The independence of the test also matters to readers evaluating its credibility. CNET says Apple and other manufacturers had no role in funding, designing or operating the Fold-a-Phone. That is the outlet’s account of its process; the supplied material does not include external auditing or a published final comparison of tested devices.
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From Earlier Clapper Tests to Controlled Cycles
CNET says it built a clapper-style machine in 2019 to test an early Samsung Galaxy Z Fold. It characterizes that earlier setup as a one-day “torture test,” with speed, pressure and heat that it did not want to repeat in the current project. The Fold-a-Phone was instead developed to reproduce a consistent opening and closing motion at a slower pace.
The outlet says the physical construction took a few weeks, while research, design, trials and calibration took months. Work included devising a way to secure different single-hinge phones, sourcing and machining materials, fitting motors and cameras, building the control computer, and writing software to process sensor data and recordings. CNET says it then spent another month tuning and checking the machine. It says results from this apparatus will not be directly compared with results from the older machine because the methods differ.
CNET presents the work as part of its independent technology testing, prompted by the prospect of foldable phones reaching a wider market and durability becoming a more prominent concern. The source does not provide a date for the test’s start, a complete account of the Duo’s condition at the 200,000-fold mark, or a full testing protocol beyond the details described in its FAQ.
““We are independent technology journalists.””
— CNET
What the Test Has Not Established
The supplied CNET material does not state whether the iPhone Duo has developed any damage, whether its hinge or display has changed during testing, or what result would count as failure. It also gives no projected completion date. The reported total is a progress figure, not a final durability verdict.
It remains unclear how closely the controlled four-second cycle predicts real-world longevity, since the procedure does not represent every user’s movements or the range of conditions phones face outside a lab. CNET acknowledges that its uniform approach leaves out varied interaction methods, saying that including them would add complexity for what it sees as little measurable gain. The source does not provide independent review of that judgment, detailed sensor data, or results for the Galaxy Z Fold 8.
More Foldable Tests and a Final Result
CNET says it intends to continue the iPhone Duo test and report what happens as the count rises; the supplied material does not set a date for a final result. The outlet says it has already begun testing the Galaxy Z Fold 8 and plans to test other single-hinge foldables with the same machine and procedure, allowing like-for-like comparisons within this testing program.
CNET also says weekday livestreams run from 1 p.m. to 5 p.m. ET on YouTube, where viewers can watch the machine operate. The key next information for readers will be the phone’s condition, any identified failure point, the test count at that point and comparable results from other models. Until those details are published, the test establishes that the Duo has passed the reported number of machine cycles—not how long it will last for a typical owner.
Key Questions
How many times has CNET folded the iPhone Duo?
CNET reports that its Fold-a-Phone has folded the iPhone Duo more than 200,000 times. The supplied material does not give a more precise count or a final test result.
What is the Fold-a-Phone?
It is a custom machine built by CNET to open and close foldable phones at a controlled pace. CNET says it uses sensors and computer analysis to study when a device fails and why.
Did Apple pay for or help with the test?
CNET says Apple and other manufacturers did not fund, design, build or operate the Fold-a-Phone. That statement is CNET’s account of its process.
Does 200,000 folds prove how long the phone will last?
No. The count is a laboratory result under CNET’s controlled procedure, not a guarantee of real-world lifespan. The source does not report a final outcome or establish how the test maps to everyday use.
Is CNET testing other foldable phones?
Yes. CNET says it has started testing the Samsung Galaxy Z Fold 8 and plans to test other comparable single-hinge models using the same machine. It says there is currently one Fold-a-Phone.
Source: CNET
