Samsung foldable concept could be the solution to the foldable phone design problem

Foldable phones might seem like eccentric luxuries, but they do also try to solve a problem, that of the paradox of display size. Consumers want larger screens that allow them to enjoy their content more comfortably but do not want actually large devices that make it inconvenient to carry them around. Foldable phones try to offer the best of both worlds of a handy smartphone and a large tablet, but current technologies have too many compromises to make that happen, not to mention price tags that prevent these devices from becoming mainstream at all. While creases are starting to disappear slowly, durability is still a major concern. More importantly, current designs require a second “outer” display to make the phone usable even when folded shut. Samsung is now showing off a new foldable display and hinge that can bend both ways, potentially putting an end to all the foldable design debates.

Designer: Samsung (via The Verge)

Although Samsung’s Galaxy Z Fold might seem to be the standard design for foldables these days, it wasn’t the only one in the beginning. The Royole FlexPai and the Huawei Mate X (as well as the new Huawei Mate Xs 2), both of which launched before the first-gen Galaxy Fold, had an “outie” design where the screen folded outward and backward. This created a device that only had a single screen, reducing the components and complexity required by an “innie” design like the Galaxy Z Fold. At that time, however, the fragile nature of flexible screens and early hinge technologies made that design less than appealing.

The likes of the Galaxy Z Fold 4, OPPO Find N2, and other “innie” foldables protected that expensive display panel but at the cost of needing an external screen if you wanted to use the device as a regular phone when closed. Otherwise, you’d be left with something like the Microsoft Surface Duo that had to be folded backward to make use of even a single screen. The ideal for a foldable phone would be folding both inward and outward, and that is what Samsung’s “Flex In & Out” display is trying to propose.

At first glance, the prototype looks like an ordinary Galaxy Z Fold phone with its flexible panel folding inward. However, it can actually bend past 180 degrees all the way to 360 degrees, which means it can completely fold back in the opposite direction. This really combines the best of both worlds of innie and outie designs, removing the need for a second external screen and potentially reducing the build cost of the entire device.

Samsung showed off a similar technology last year in the form of the “Flex S” display, though that seemed to only fold in one or the other direction rather than both. It is unknown when this display will be ready for production and mass consumption, presuming it’s even durable enough to withstand not only multiple folding but also hard objects inside pockets or bags. It might still take a year or so for this device to actually become available for purchase, so Samsung fans will have to settle for a more traditional Galaxy Z Fold 5 with a hopefully improved “waterdrop” hinge.

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TECNO Phantom Vision V concept phone folds, rolls, and has plenty of screens

Although there is still plenty of doubt and hesitation surrounding foldable phones, especially due to their prices, there is no shortage of vendors trying to get into the game nonetheless. It isn’t just foldables either, with some companies doing research and tests on phones with rollable screens as well. This latter category has still to make any formal entry into the mobile market, but there has definitely been plenty of ideas on how such a rollable phone should work. Young brand TECNO, which has been showing off a few bold concepts recently, has also thrown in its two cents, demonstrating a concept of a phone whose screen both folds and rolls yet still has two additional displays for good measure.

Designer: TECNO

Foldable phones try to solve the puzzle of screen size and portability. While many people wouldn’t mind having a large display they can view more content on, they do mind not being able to easily keep it in their pockets or small bags. Foldable phones like the Samsung Galaxy Z Fold 4 and the OPPO Find N2 offer a small phone-sized device that has a tablet-sized display, but that display is still no match for something like an iPad, at least not in size.

One alternative solution that has been proposed is to combine both foldable and rollable technologies to truly deliver that “tablet in your pocket” experience. That’s precisely what the TECNO Phantom Vision V brings to the table, at least in concept. Just like the aforementioned foldables, the devices opens to reveal the flexible display inside, but it still has one trick up its sleeve. The left side of the device expands further, rolling out additional screen real estate that would be equivalent to a 10.1-inch tablet with a more normal rectangular aspect ratio.

An additional detail that makes the Phantom Vision V a bit more interesting is another small display below the camera array on its back. This mimics the cover display of flip-type clamshell foldables that offer a more restricted set of functionality, mostly for notifications and quick actions. It’s not hard to imagine it’d also be used for taking selfies using the more powerful rear cameras.

It isn’t exactly clear from the video and images if the TECNO Phantom Vision V has a more traditional cover display on the opposite side, allowing the device to be used like a regular phone when folded close. There’s a possibility that the rollable side of the screen would also be used on that external part, which would save up on the components and build costs. That does mean that a flexible part of the screen will be exposed on the outside, which could raise concerns about durability. Given the non-trivial design, it will probably take some time before it even becomes reality, and TECNO isn’t saying anything about its prospective timeline to take the Phantom Vision V into production.

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Move over, Nintendo Switch – this gaming console concept comes with joy-cons AND a folding display

While the demand for a folding phone seems to be incredibly niche (and localized to just Asia), this conceptual gadget named Tam Tam makes a pretty compelling case for folding phones by turning them into the most versatile gaming devices. The Tam Tam can be used as a phone, a handheld controller, a mini console, or even a nifty multiplayer gaming system for two or more people. The secret? Folding displays and detachable Nintendo Switch-style joy-cons.

Designer: Jinseon Lee

The Tam Tam is a portable folding console with a Huawei Mate X-style outward folding design. The phone exists independently, but pairs rather well with a set of interchangeable joy-cons that snap onto either side, turning it into a makeshift Switch-style console. The joy-cons can be used separately too, allowing you to explore various gaming arrangements – my personal favorite being Tam Tam’s multiplayer mode.

The multiplayer mode sees the phone set up in an A-shaped format with two halves of the screen facing each of the players (sort of like a game of battlefield). Players can even set the phones up in a 4-player format (image below) and play a variety of competitive games. Unlike the Nintendo Switch, however, Tam Tam offers a whole range of controller types, spanning D-pads, knobs, broad joysticks (or joy-discs), etc.

The controllers can be attached or detached on demand

Multiple controller formats enable different gaming experiences

This isn’t the first time we’ve seen a folding console, though. A foldable Nintendo Switch 2 concept surfaced last year, which sported the same versatile gaming format, albeit with a larger tablet-sized foldable display. Earlier this year, redditor MikeDubbz hacked together a Samsung Galaxy Z Flip to let you mount Switch Joy-Cons on each side. The Z Flip ran an emulator, turning the popular foldable phone into a faux Gameboy of sorts!

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OPPO Find N2 Foldable Phone Review: A Design Marvel You Can Fit in Your Hand

PROS:


  • Lighter, thinner, more ergonomic design

  • Improved Flexion hinge experience

  • Impressive camera output

  • Protective case included in the box

CONS:


  • A few software issues

  • Not available globally

RATINGS:

AESTHETICS
ERGONOMICS
PERFORMANCE
SUSTAINABILITY / REPAIRABILITY
VALUE FOR MONEY

EDITOR'S QUOTE:

Elegant and delightful, the OPPO Find N2 represents a refinement of the foldable phone design that deserves to reach global markets.

Given their marketing strength, you’d think that Samsung and maybe Huawei are the only ones doing foldable phones, with a bit of Motorola on the side. Of course, there are now a few more players in that arena, especially when you turn your attention toward the East. It’s a relatively nascent market compared to the larger smartphone industry, which means there’s plenty of room for improvement but also plenty of temptations to just go with the flow. There are still plenty of unanswered questions regarding foldable phones’ design, from the reliability of its hinge to the very purpose of their existence, but those doubts never stopped companies from attempting to innovate and search for answers. OPPO, for one, seems to have done quite a lot of work for its second-gen “horizontal” foldable, so we take the OPPO Find N2 in our hands to check how much has improved and how much has remained unchanged.

Designer: OPPO

Aesthetics

It’s almost too easy to think that once you have seen one foldable phone, you’ve already seen them all. After all, there are only so many ways you can fold a device, given the limitations of today’s technologies. Right from the start, however, the OPPO Find N bucked the trend to show that there is a slightly different way to design a large, horizontal foldable phone, and the Find N2 iterates over that design almost to perfection.

Unlike all the rest from Samsung, Huawei, Xiaomi, Honor, and Vivo, the OPPO Find N2 maintains the more familiar aspect ratios and shapes of phones and tablets. When folded closed, the “phone” isn’t an awkwardly tall and narrow piece of screen real estate that makes it difficult to even peck a few words on it. When opened up, the “tablet” is closer to a landscape or horizontal aspect ratio that’s more typical of these slates. That means you won’t have to constantly rotate the phone after opening it to watch videos properly or take advantage of split-screen functionality.

While that basic form has remained the same, OPPO’s second foldable phone does change things in subtle yet meaningful ways. You might not even notice how thinner it is compared to its predecessor, but it adds up to make the device more manageable in your hand. You will appreciate how light it is, though, which isn’t exactly surprising given how smaller it is compared to most foldables of its kind. OPPO also made important improvements in both the look and feel of the device, starting with the anodized metal frame that tastefully matches and accents the phone’s color. The back material has also been changed from glossy glass to a matte texture that helps a lot with grippy-ness. There’s even a vegan leather model that makes the phone look classy while giving something your fingers will enjoy as well.

The OPPO Find N2 is undoubtedly a beauty to behold from any side or angle, especially thanks to how it folds completely flat and how the crease at the fold is nearly invisible. One design aspect that might be a bit divisive is the camera bump, something that it inherits from the first Find N. A bit like the gorgeous OPPO Find X5 Pro, that bump slopes gently upward. Unlike that award-winning design, however, there is a clear demarcation around the camera island, creating an abrupt stop in eye movement. Admittedly, it’s a minor detail that others might actually find tasteful, especially compared to more obnoxious camera bumps on other phones, foldable or otherwise.

Ergonomics

The driving force behind OPPO’s decision to stay off the beaten foldable design path is the ease of use rather than mere technological demonstration. Its smaller size and more familiar aspect ratios make it easier to hold and use even with a single hand, something that’s rare with regular phones these days. Although it might seem like you’re sacrificing screen size, what you’re really getting is a more practical and ergonomic device that looks great and feels just as great in your hands.

OPPO’s “waterdrop” hinge design has always made it possible to close the phone completely flat, which means it takes up less space and is effectively thinner when folded. The OPPO Find N2 further optimizes this design by making the device thinner and, more importantly, lighter, mostly by improving materials and reducing the number of parts needed in its Flexion Hinge. All of these result in a device that’s comfortable to use and puts less strain on your hands and arms. Given how you’re likely to enjoy using it for hours on end, that’s a rather significant quality of life improvement.

At the same time, OPPO has taken pains to also make sure you’re able to hold on better to the phone to prevent accidents. That switch to matte glass for the back adds a bit of texture that helps your finger grip the device better. But if you still fear your clumsiness, OPPO generously includes a two-piece protective case in the box that matches the phone’s color for added peace of mind. It’s the typical silicone case, though, so it does take away some of the phone’s stylish beauty.

One of the biggest improvements in the OPPO Find N2 is something that you can’t see. The company’s second-generation Flexion Hinge features improved durability thanks to the use of new materials like carbon fiber and high-strength alloy. It also has 38 fewer parts than the previous-gen hinge while delivering improved robustness and reliability. For example, it can now stay open at any angle between 45 to 125 degrees. This is part of the reason why the Find N2 is lighter and more usable, without compromising its functionality.

Performance

The Find N2 is no slouch when it comes to internal components either, though it is a tad late to bear the latest mobile processor. The Qualcomm Snapdragon 8+ Gen 1, however, is very much cable of handling anything you can throw at it, especially when you consider the 12 or 16GB of memory you can utilize. In terms of raw power, there really isn’t much to complain about, and the phone will serve you well whether you’re binging the latest streaming shows, playing your favorite mobile games, or even being productive with work tasks.

Both displays on the OPPO Find N2 are top-notch, and not just because of their aspect ratios. The external 5.54-inch 2120×1080 AMOLED display is bright and vibrant, and its 120Hz refresh rate is decent even for games. The main star is, of course, the internal 7.1-inch 1920×1792 AMOLED LTPO screen that can dial its refresh rate down to 1Hz to preserve the battery. This flexible screen is just as delightful and colorful as any other, but, more importantly, the crease that splits it into two areas is barely visible at any angle. Your finger won’t be able to tell it’s there, either, which is a far cry from the dip that even the Galaxy Z Fold 4 still has at this point.

One problem with most foldable phones is that there isn’t much space to cram large cameras inside them. It’s no surprise, then, that the OPPO Find N2’s set is no match for some of the latest flagships in the market. That being said, it’s actually not bad at all, despite what the specs sheet might suggest. It definitely helps that the famed Hasselblad had a hand in fine-tuning the photography experience, especially through the software and filters. OPPO’s dedicated imaging NPU, the MariSilicon X, also deserves credit for the cameras’ performance, particularly when 4K content is involved.

The 50MP camera on its own produces excellent photos even in low-light situations. The ultra-wide camera gets a decent 48MP sensor, so you’re not actually sacrificing quality by switching to a more panoramic shot, though there are telltale signs of lens distortion at the edges. Just as impressive is the 32MP sensor on the telephoto camera, something that you won’t expect for close-up shots. The 32MP front-facing cameras, both inside and outside, are also good and won’t leave you wanting when it comes to selfies and video calls either.

The Find N2 runs OPPO’s ColorOS 13 version of Android 13, which offers a beautiful and fluid interface as well as plenty of options to customize your experience. What makes this version different are the gestures designed to make it easy to take advantage of the form factor, specifically in “splitting” the screen between two apps. That said, OPPO could only do so much to nudge Android apps to behave well in this context. You’ll find some apps still don’t play nice with foldable phones, but that is a flaw of the platform more than the hardware.

Sustainability

While OPPO is blazing a trail when it comes to innovating on foldable phones, it isn’t making inroads in changing the narrative around sustainability. There are always small steps forward, like the use of recycled paper or the reduction of packaging size, but the phones themselves mostly remain beautiful yet harmful products of human ingenuity and creativity. OPPO has also yet to jump on the slowly growing trend of making its phones more easily repairable by third parties and even owners themselves, but the complexity of a foldable phone makes that a non-starter anyway.

The OPPO Find N2 does at least improve the phone’s reliability a bit so that it won’t find itself in repair shops too soon. The reduction of the number of parts that make up the new hinge also translates to a reduction of the things that could potentially break. Improving the phone’s overall durability might not be a big sustainability gain, but it at least helps prolong the lifetime of a product and delay its arrival in landfills.

One of the three available colors for the Find N2 also uses vegan leather to offer a luxurious aesthetic that doesn’t harm the environment, particularly animals. Vegan leather, however, is also a bit controversial in how it has become somewhat of a marketing buzzword. When implemented properly, however, it’s still a more viable alternative to other non-sustainable materials that make a phone look dashing.

Value

The first foldable OPPO phone challenged the status quo of this niche market with a design that proves there’s still another way to do things. The OPPO Find N2, then, is a refinement of that design that smooths out the rough edges to deliver a product that is almost perfect, at least for what its intended goals are. Stylish and handy, the Find N2 offers a foldable device that feels like a finished product rather than an expensive prototype. Its design is clearly informed by the need to have something comfortable, usable, and aesthetic rather than simply flaunting technical and engineering innovations.

For all its strengths, the OPPO Find N2 has one critical flaw that makes all of the above almost moot and academic. It won’t be available anywhere other than China, at least not in the immediate future. And while you might be able to purchase it through third-party retailers, the software experience might be so different that it detracts from the enjoyment of the device. Fortunately, OPPO hasn’t closed the door on the possibility of a global launch, but it’s taking a wait-and-see approach in order to measure market interest.

Verdict

Many people still doubt that foldable phones, both the larger ones and the clamshell designs, are the future of mobile phones, but it’s hard to deny that they will play a large part in their development. As components become more accessible, more companies will be putting out such devices to the point that they will become commonplace. For now, however, there are only a few that dare dip their toes in that market, and even fewer who dare to be different.

The OPPO Find N2 is clearly a rare breed, not only because of how much smaller it is but also because of its focus. While all phone brands will naturally claim that they are designing for usability, OPPO takes that mission to heart. The result is a foldable device that is elegant, delightful, and practical, able to fit seamlessly into everyday life just like their non-foldable brethren.

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Vivo X Fold tries to validate Samsung with a few tricks of its own

Foldable phones are on their way to becoming more prevalent and more mainstream, especially now that more brands are trying to jump on the bandwagon. Although Samsung, Huawei, and Xiaomi have long been playing that game, other companies need to join in to increase the visibility and accessibility of this new type of mobile device. A few more competitors also mean that there could be new ideas being tried, not to mention new pricing schemes that could make foldable phones more approachable. That’s what the OPPO Find N tried when it changed the design a bit, earning some positive responses. The Vivo X Fold, on the other hand, isn’t straying that far from Samsung’s design, but it is making improvements in where it matters the most.

Designer: Vivo

Old Design, New Perspective

After a brief period of experimentation, it seems that Samsung’s “innie” design has won the battle. Huawei eventually switched away from its outward folding or “outie” mechanism to something that resembles the Galaxy Z Fold. Of course, there are important differences that both OPPO and Vivo are also embracing, but the general consensus seems to be that foldable phones of this nature open and close like a book.

What some don’t agree on yet is how big these phones should be. The OPPO Find N challenged the status quo with a phone that is shorter than most foldable phones and wider when unfolded. This created a tablet-like experience where the full screen is laid out in landscape orientation, while the external screen remained useful when the phone was folded, unlike most of the complaints with the Galaxy Z Fold 3.

In contrast, the Vivo X Fold nearly matches Samsung’s foldable in size and design and is actually taller than it. Although it seems like a Samsung knock-off on the surface, the devil is in the details inside. Specifically, the Flexion hinge it uses is similar to the one that the OPPO Find N and the Huawei Mate X2 use, which would allow the phone to fold shut completely without any gap. It also reduces the visibility of the crease in the middle of the screen, though that can only be confirmed in real-world testing.

Specs Sometimes Matter

Vivo also does a few things that Samsung doesn’t seem to be interested in just yet, particularly when it comes to the cameras. The Vivo X Fold comes with a better set of four sensors, at least on paper, though some Samsung fans are hoping that the Galaxy Z Fold 4 will correct the flaws of its predecessor in this regard. If you are paying a high price for a smartphone, it’s understandable you’ll want to get the best out of it.

That said, those cameras do come with a bit of a cost, at least in terms of design. The Vivo X Fold’s camera bump is a large circle enclosed in an even larger reflective rectangle on the back of the phone. It is as “in your face” as it can get, though thankfully not in the same ridiculous proportions as the Honor Magic 4 Ultimate.

There’s also the presence of under-display fingerprint sensors, something that is common in most smartphones today except the foldable ones. Although Vivo could be lauded for taking the initiative, it also shows how wasteful such an implementation might be since you need to have two such fingerprint scanners, one underneath the main, foldable display and another on the secondary external screen. There are concepts and patents on how that can be reduced to a single “back-to-back” sensor, but the technology just isn’t there yet.

The Price is Right

One of the biggest reasons why people stay away from these foldable phones, aside from concerns over durability, is their exorbitantly high costs. Samsung tried to push down the figure last year, but it’s still beyond most people’s means. The OPPO Find N tried to offer a more reasonable price tag, and Vivo is doing the same, though with a bump that is justified by the features.

The Vivo X Fold is going for around $1,400, but its availability is limited to China, at least for now. That, unfortunately, means that Samsung still has almost no competition in the global market. With rumors about the Galaxy Z Fold 4 shaping up to be quite interesting, the company will undoubtedly still hold the top position in that niche. Still, it’s reassuring to see that there are other brands willing to challenge the giant in order to help diversify foldable phones.

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Google is rumored to be working on a foldable PIXEL Smartphone with a release date as early as 2021





It seems like Google was hibernating all through last year and the company finally woke up in May with their IO conference (which they canceled in 2020). As we gear up for Techtober (an informal term MKBHD uses to describe the September-October-November months that see all the major smartphone releases), rumors are suggesting that the Pixel 6 may be accompanied by the announcement of something MUCH more interesting… a foldable Pixel phone.

Developers who scanned through the Android 12 Beta were surprised to find model numbers for the Pixel 6 family, including foldable codenamed ‘Passport’. Suggesting that it would be a passport-shaped device that would open and close like the Samsung Galaxy Fold, with a similar dual-screen layout. The rumors prompted Tech YouTuber Waqar Khan to create renders of the purported device, which comes with a Pixel 5-inspired camera module, an outer screen with a hole-punch camera, and a large folding screen on the inside with yet another hole-punch camera.

The existence of a Pixel Fold was first touted by Ross Young, a digital analyst, who took to Twitter to mention that Google could launch the folding phone as early as 2021, or in the beginning of 2022. Young also said that the company was toying with the idea of a rollable smartphone, but the mention of “Project Passport” in Google’s own Android Beta seemed to confirm that they were working on developing a stock Android OS just for a foldable Pixel.

2021 is definitely an interesting year for Google, as they’re also developing their own silicon to rival Apple. Titled ‘Whitechapel’, Google’s silicon chip will make it to its smartphones, hopefully giving it a performance upgrade that should push it miles ahead of its competition. The Whitechapel chip could potentially even make the foldable Pixel an incredibly powerful and efficient device.

Waqar Khan’s renders give us a clue of what a folding Pixel would look/feel like. Schematically, it’s no different from Samsung’s first folding phone; although with significant developments made in the world of flexible OLED displays, maybe the ‘Pixel Fold’ could avoid the pitfalls of the Galaxy Fold that came 2 years before it. The renders show a clean matte body (like last year’s Pixel device) along with the presence of a fingerprint reader on the back. That particular detail could be a creative call on Khan’s part, given that in-screen fingerprint readers seem to be quite the norm with Android phones over the past year.

The confirmed Pixel 6 is set to debut at Google’s ‘Made By Google’ hardware event, which usually happens around October. It’s unclear if the event will be an in-person or a virtual one, and we can only hope that the company also teases (if not releases) the folding Pixel along with its expected lineup which includes a flagship phone, smart-speaker, and possibly Google’s first-ever smartwatch, which comes 2 years after the company announced it was acquiring Fitbit for $2.1 billion.

Designer/Visualizer: Waqar Khan