The Galaxy Z Fold 8 Ultra has become the first mainstream Samsung foldable to break during a bend test, marking a notable shift for a lineup that has previously survived punishing durability trials. As Samsung continues to push its foldables toward ever-thinner designs, the newest Ultra model appears to have finally crossed the line where structural resilience gives way.
Samsung’s foldables have long earned praise for withstanding torture tests that involve far more physical stress than any device would face in everyday use. The Galaxy Z Fold 7 proved the company could deliver a genuinely thin foldable without compromising durability. The Galaxy Z Fold 8 Ultra takes that approach further with another slight reduction in thickness, and that reduction may explain the outcome.
What the Durability Test Revealed
In a widely followed torture test from the YouTube channel JerryRigEverything, the Galaxy Z Fold 8 Ultra performed largely as expected across most categories. The outer display held up well against scratches, while the inner screen scratched easily, consistent with the softer surface used on foldable panels. Dust entering the hinge produced unsettling crunching sounds during the evaluation.
The bend test is where the device diverged from its predecessors. The Galaxy Z Fold 8 Ultra is the first of Samsung’s foldables to fail this portion of the test, aside from the very limited Galaxy Z TriFold. The failure was not dramatic. Both the hinge and the frame remained intact throughout the bend, but the inner display stopped working.
Why the Result Stands Out
What makes the outcome particularly noteworthy is that the wider standard Galaxy Z Fold 8 survived the same bend test. The larger, non-Ultra model endured the pressure without failing, while the thinner Ultra variant did not. That difference suggests the additional thinning applied to the Ultra may have reduced its ability to resist extreme bending force.
For context, this level of stress goes well beyond anything a foldable phone would encounter during normal daily use. Bend tests are designed to identify the breaking point of a device under deliberate and extreme pressure, not to simulate typical handling. Still, the result marks a first for Samsung’s mainstream foldable line and highlights the engineering trade-offs that come with chasing thinner hardware.
Both new foldables, the Galaxy Z Fold 8 and the Galaxy Z Fold 8 Ultra, are available now. The result arrives as book-style foldables continue to gain momentum in the market, with Samsung reportedly developing an even wider Galaxy Z Fold 9 aimed at video viewing.
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