One of the biggest promises Samsung made around the Galaxy Z Fold 8 series is actually its folding mechanism, or more specifically, the titanium support structure behind the display panel.

It’s called “Flex Titanium”, and from Samsung’s press materials, it looks like a series of slim titanium bars placed around the crease area to provide additional support as the display is folded and unfolded. The goal is to reduce the visibility of the crease and protect the display as it’s folded and unfolded over a long period of time.
When the phone was first showcased around a week ago, we could see that the crease was almost invisible. That was pretty impressive because the Galaxy Z Fold 7 still had a noticeable crease, while some Chinese foldables like the Oppo Find N6 from earlier this year had already managed to make the crease far less visible.
Ice Universe posted a tweet on July 23, the day after the Galaxy Unpacked event, comparing the crease of four devices: Galaxy Z Fold 7, Z Fold 8, Oppo Find N6, and the Vivo X Fold 6.

The crease on the Z Fold 8 looked the flattest. The Oppo Find N6, sitting right next to the Fold 8, still had a quite visible crease. It appeared that Samsung has finally fixed the problem, and Galaxy Foldables will be the best in this aspect until the next release.
A week later
The Z Fold 8 series is set to go on sale on August 7 and is currently only in the hands of creators. One of them recently shared two short videos on X comparing brand-new Galaxy Z Fold 8 and Galaxy Z Fold 8 Ultra units with the review devices they’ve been using for the past week. The difference in crease visibility is immediately noticeable on both the standard and Ultra models.
The Oppo Find N6 maintained its crease much better after about a week of use. It will be interesting to see how Samsung’s new Flex Titanium technology holds up over the next year before the company unveils its successor.
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(Sources: Ice Universe, @_1PaulJ, @GadgetsBoy)




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