Following months of speculation, Samsung has finally announced the Galaxy Z Fold 8, Galaxy Z Fold 8 Ultra, and Galaxy Z Flip 8. All three models come with upgrades across the board, and among them is the Flex Titanium hinge technology, which you could end up being the most grateful for in the long term.
For the record, Samsung's new hinge technology isn't available on the Z Flip 8, which is a shame. While the Ultra-tier flagship foldable and its sibling with a brand-new form-factor do showcase it, it's a shame that Samsung didn't give more love to the Flip.
Flex Titanium solves some of the biggest problems of modern foldables
For years, foldables have been plagued by questions about the durability of their internal displays and the seemingly omnipresent crease. Samsung’s new Flex Titanium technology aims to address precisely these two things, bringing several breakthrough improvements we’ve been waiting for a long time.
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There are two key elements to the technology, and as its name suggests, they’re based on titanium. One is the new titanium alloy film, and the other is the enhanced titanium plate, which are essential to the display structure of the new Galaxy Z phones. Combined, the two allow the new phones to be thinner than before, but remain as durable as ever.
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The titanium alloy film is about 70% thinner than a human hair, but it is still 20 times stronger than the conventional polymer film Samsung used in its previous foldables. Thanks to this element, the crease remains less visible over time, essentially making the display last longer without being damaged.
Another effect of the new material is that the titanium alloy film doesn't stretch in the same way as the plastic polymer does, so it doesn't change its mechanical qualities as much and continues to support the OLED panel better over time.
Samsung is specifically proud of the titanium plate, which is the reason the display gets a flatter and more uniform surface. The plate goes bellow the panel itself, making the crease less visible to begin with, not only over time. There are also refined micro-patterned holes in the part of the titanium plate which folds, which make it more flexible without compromising the durability. The new materials strengthen the support of the display, which helps absorb pressure and impact.
It opens better
The layers of Flex Titanium. | Image by Samsung
Flex Titanium is also part of the reason opening the new phones feels better. The new structure helps with the balance of the redesigned hinge mechanics, display tension, and magnetic force, leading to a smoother, lighter, and more natural opening of the phones.
My colleague Victor said he’s finally in love with how the Galaxy Z Fold 8 unfolds, after hating opening the Z Fold 7. While neither the display improvements, nor the new hinge are the only reason for his claim, they certainly add to the experience.
Samsung also says Flex Titanium provides an immersive viewing experience by allowing users to fully enjoy the quality of the display. The company says the technology is the result of it listening closely to the consumer feedback from its earlier foldable devices.
Unsurprisingly, that made it discover people expect larger displays, a more immersive experience, a less visible crease, and higher durability of their devices. Now we only need to check ourselves whether those claims hold ground against devices like the Oppo Find N6.
The only downside
Samsung says the Galaxy Z Fold 8 is the lightest foldable ever. | Image by PhoneArena
Smartphone improvements are often paired with some sort of compromise, and that's the case with Flex Titanium as well. Being based on titanium, which is a metal, the new technology is the reason the Galaxy Z Fold 8 and Z Fold 8 Ultra don't support S Pen.
Samsung will most likely continue to use the same technology in the coming years, so we shouldn't expect for the stylus to return to its foldable. I'd say this is a fair price to pay for getting a more durable and stiffer display.
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Ilia, a tech journalist at PhoneArena, has been covering the mobile industry since 2011, with experience at outlets like Forbes Bulgaria. Passionate about smartphones, tablets, and consumer tech, he blends deep industry knowledge with a personal fascination that began with his first Nokia and Sony Ericsson devices. Originally from Bulgaria and now based in Lima, Peru, Ilia balances his tech obsessions with walking his dog, training at the gym, and slowly mastering Spanish.
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