Samsung Is Betting Titanium Can Finally Flatten the Galaxy Z Fold 8’s Crease

Every foldable phone comes with an asterisk, and it sits right in the middle of the screen. The crease. That soft valley where the display bends has been the one thing keeping foldables from feeling like the future they keep promising to be, the little dip your thumb finds every time you scroll. Samsung has spent seven generations trying to make it go away. With the Galaxy Z Fold 8, the company says it finally has a real answer, and its name is titanium.

Ahead of its July 22 Unpacked event, Samsung revealed a new display technology it’s calling Flex Titanium, built to flatten the crease on the Z Fold 8 and the higher-end Z Fold 8 Ultra. Notice the careful wording, though: Samsung is promising “reduced crease visibility,” not a crease that’s gone for good. That gap between “better” and “invisible” is the whole story here, so it’s worth understanding what the titanium is actually doing inside the phone.

What Flex Titanium actually is

There are two pieces to it, and they work together. The first is a titanium-alloy film that sits beneath the OLED panel. Samsung says it has 20 times the mechanical stiffness of the polymer films it used before, while still measuring less than a third the thickness of a human hair. In plain terms: a much stiffer backbone for the screen that somehow doesn’t add any real bulk.

The second piece is a micro-patterned titanium plate underneath that film. Using a hole-processing technique, Samsung punched a pattern of tiny holes into the plate so it can flex where the phone folds but stay rigid where the phone lies flat. Those holes also let Samsung close the tiny air gaps that used to sit between the display module and the adhesive holding everything together. Fewer gaps and a stiffer stack mean the screen sits flatter across the fold, which is exactly where the crease lives.

Why “reduced” is the key word

Here’s the honest part. Samsung is not saying the crease is gone. It’s saying it’s harder to see, and there’s a meaningful difference between those two claims. Leaked footage of the Z Fold 8 Ultra reportedly showed a crease that’s almost impossible to spot, which is encouraging, but “almost impossible to spot” in a hands-on video under good lighting is not the same as “not there” when you’re using the thing all day. Until we can run a fingertip across one ourselves, treat this as a real improvement rather than a solved problem.

Samsung calls Flex Titanium the culmination of everything it has learned over seven generations of foldables, and that framing feels about right. This is less a single breakthrough than a stack of small, hard-won engineering wins piled on top of each other. That’s usually how the crease gets beaten: not all at once, but a little flatter every year.

The bigger play

There’s a business angle worth noting, too. Samsung Display reportedly locked in a three-year exclusive deal to supply foldable panels, and one of the names floating around as a future customer is Apple, for its long-rumored foldable iPhone. If that pans out, the same crease tech Samsung is showing off on the Z Fold 8 could eventually end up under the screen of the foldable a lot of people are actually waiting for. For now, though, the Z Fold 8 gets it first, and we find out how flat “flatter” really is on July 22.