The OnePlus Open smartphone is equipped with the Qualcomm Snapdragon 8 Gen 2 chipset, demonstrating its status as one of the last flagship devices to feature this chipset, as the Gen 3 is set to debut shortly. The OnePlus Open is exclusively available in a single configuration, boasting 16GB of LPDDR5X RAM and a capacious 512GB of UFS4 storage.
The OnePlus Open, which is marketed as a premium cameraphone, can live up to this promise. Its back camera arrangement, which includes three Hasselblad cameras, is particularly interesting. These include a 48MP OIS primary camera with a state-of-the-art Sony "Pixel Stacked" sensor, a 64MP OIS telephoto camera with 3x optical and 6x in-sensor zoom, and a 48MP ultra-wide camera that can be used for both macro and panorama shooting.
The OnePlus Open has two front-facing cameras that are covertly tucked away behind tiny punch holes on its twin screens. The cover display houses the first camera, which has a 32MP sensor, while the foldable screen houses the second camera, which has a 20MP sensor.
The OnePlus Open has three excellent Dolby Atmos speakers and a wide range of connection functions, which enhance its entertainment potential. Additionally, it uses OxygenOS 13.2, the most recent version, which has been modified for foldable users.
Notably, two almost identical foldable devices—the OnePlus Open and the Oppo Find N3—are simultaneously released. Their only differences are their colour selections and water resistance. But it's crucial to remember that the Find N3 will likely only be offered in a small number of nations, whereas the OnePlus Open is designed for a worldwide market. Additionally, the OnePlus Open is positioned to overtake Samsung's Fold series as a major player in the foldable smartphone industry globally.
Highlights
Design
Among foldable smartphones, the OnePlus Open stands out as an example of superb design. It has an eye-catching design, an excellent build quality, and an ergonomic grip. Starting with its frame and chassis, these parts are painstakingly made from a unique cobalt molybdenum alloy and titanium alloy, which are renowned for having aerospace-grade strength superior to stainless steel while still being extremely lightweight. The frame has an elegant matte finish and a smooth, flat, and small profile.
The OnePlus Open's hinge mechanism is not just lighter than certain rival options—possibly alluding to the Samsung Fold series—but also allegedly up to 50% smaller. This accomplishment is credited to a revolutionary, simplified design with fewer component parts. When compared to the three-spine hinge design used in rival smartphones, this revolutionary hinge's single-spine layout helps to minimise weight.
OnePlus has included Ceramic Guard, a cutting-edge glass solution with ceramic crystals, to protect the exterior display. According to claims, this exclusive technology provides 20% more impact protection than the Gorilla Glass Victus.
The back panel of the OnePlus Open in Voyager Black has a polycarbonate layer covered in black vegan leather. With a firm grip and resistance to fingerprint smudges, this surface has a pleasing feel.
The Emerald Dusk model, which is only offered in Europe, differs by having a matte glass back. Because glass material is naturally thicker than plastic, the Emerald Dusk model weighs a little bit more (6 grammes) and is 0.2 mm thicker than the Voyager Black model.
The OnePlus Open's foldable display features the standard ultra-thin glass layer as well as a protective plastic cover. This covering protects the flexible screen from everyday dangers like sand and dust particles. It is crucial to remember that removing this protective layer is not advised.
Display
Both of the amazing displays on the OnePlus Open are made of LTPO3 OLED panels. The main canvas opens to a generous 7.82 inches, while the secondary cover screen is 6.31 inches. The premium features shared by these displays include a 10-bit colour depth, dynamic 120Hz refresh rate, 1440Hz PWM dimming, and ultra-responsive 240Hz touch capabilities in addition to full-fledged performance. Surprisingly, both displays attain a maximum brightness of 1,400 nits, with a peak brightness of a staggering 2,800 nits. They also support Dolby Vision, HDR10, and HDR10+ standards. They also include Natural Tone settings that respond to the surrounding illumination.
The foldable screen exhibits a resolution of 2,440 x 2,268 pixels, resulting in a pixel density of 426 pixels per inch (ppi). Its aspect ratio nearly approaches 1:1, and it is promoted as the more dynamically adjustable display, capable of reducing its refresh rate down to an ultra-efficient 1Hz.
On the other hand, the cover display excels in pixel density with a rating of 431 ppi and a resolution of 2,484 x 1,116 pixels. According to official specifications, it offers a minimum refresh rate of 10Hz, which contributes to energy conservation and efficient operation. Similar brightness values for the cover display are 566nits for manual and 1,159nits for automatic brightness.
Camera
The OnePlus Open has three standout rear cameras: a 48MP main camera, a 48MP ultrawide/macro camera, and a 64MP telephoto camera with a 3x optical zoom and the capacity to magnify images up to 6x in-sensor. The smartphone has two front-facing selfie cameras, one with a resolution of 32 MP built in the cover display and the other with a resolution of 20 MP inserted in the foldable screen, both discretely positioned within specialised punch holes on its twin panels.
Notably, the 52MP Sony LYT-808 sensor on the OnePlus Open's main camera is a component of Sony's cutting-edge LYTIA sensor series. This sensor has a state-of-the-art layered design similar to those of Sony's flagship devices, the Xperia 1 V and 5 V. In reality, hardware information apps claim that this sensor is an exact replica of the IMX 888 sensor used in the Xperia line of smartphones. This 52MP multi-aspect sensor, with 1.12 m pixels, produces an effective resolution of 48MP in a 4:3 aspect ratio. It works in tandem with a 24mm f/1.7 stabilised (OIS) lens.
The LYTIA sensors are an improvement over the older ExmorRS sensors because of their layered nature. Instead of the conventional side-by-side arrangement, this novel design separates the photodiodes and the matching transistors on different layers. This method produces bigger photodiodes that collect light with twice the efficiency and deliver up to three times greater saturation levels, albeit requiring painstaking micron-level alignment perfection. Furthermore, a cleaner signal with lower noise levels is a result of the optimised transistors on a different layer.
With a greater area than a typical 4:3 sensor, the multi-aspect sensor's 4.3:3 aspect ratio improves video stabilisation abilities. A 48MP Sony IMX581 1/2.0" sensor with 0.8 mpixels and a 14mm f/2.2 lens makes up the ultrawide camera's setup. It allows macro photography and autofocus, with a 3.5 cm minimum focus distance.
The telephoto lens has a 3x optical zoom at 70mm and f/2.6, as well as optical image stabilisation (OIS), and the camera uses a 64MP OmniVision OV64B 1/2.0" sensor with 0.7m pixels. Additionally, it has in-sensor zoom for up to 6x lossless magnification.
The OmniVision OV32C 1/3.14" sensor with 0.7 m-pixel selfie camera has a Quad-Bayer filter and a 32MP resolution. It features fixed focus and a 5P 22mm f/2.4 lens.
A 20MP sensor with a 1/4" size, 0.7 mpixels, and a Quad-Bayer filter are featured in the internal selfie camera. It has a fixed focus and is used with a 4P 22mm f/2.2 lens. All rear cameras have the option to capture 4K video at 30 frames per second with Dolby Vision as well as 4K video at 60 frames per second with continuous Electronic Image Stabilisation (EIS). The selfie cameras can also record 4K videos with continuous EIS, although they can only do so at a maximum frame rate of 30 fps and without Dolby Vision capture.
Battery
The OnePlus Open is equipped with a robust 4,805mAh battery. The newest Snapdragon 8 Gen 2 CPU, together with the device's LTPO3 OLED panels, contribute to its excellent battery performance. The OnePlus Open offered more than 15 hours of usage on its large foldable screen in both web browsing and video playing situations. The tablet was able to browse the web and play videos for more than 18 hours while using its cover display. Additionally, the call time was lengthy, topping 29 hours. The OnePlus Open achieved a remarkable overall endurance rating of 96 hours for its main foldable screen and 105 hours for its cover display when combined with an average standby time of 250 hours.
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GENERAL FEATURES |
|
Brand |
OnePlus |
Model Name |
Open |
SIM |
Dual SIM (Nano-SIM, dual stand-by) |
Device Type |
Smartphone |
IP Rating |
IPX4 splash resistant |
Network Supports |
2G, 3G, 4G, 5G |
OS & PROCESSOR |
|
OS |
Android v13 OS, OxygenOS 13.2 |
Processor |
Octa-core (1x3.2 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) |
Chipset |
Qualcomm SM8550-AB Snapdragon 8 Gen 2 (4 nm) |
GPU |
Adreno 740 |
DISPLAY FEATURES |
|
Display Type |
Foldable LTPO3 Flexi-fluid AMOLED |
Display Size |
7.82 inches 6.31 inches (Cover Display) |
Display Resolution |
1080 x 2400 pixels, (~395 ppi density) 1116 x 2484 pixels, 431 ppi (Cover Display) |
Aspect Ratio |
20:9 ratio |
CAMERA FEATURES |
|
Primary Camera |
Triple (48 MP + 64 MP + 48 MP) |
Front Camera |
20 MP |
Cover Camera |
32 MP |
Video |
4K@30/60fps, 1080p@30/60/120/240/480fps |
Flash |
Yes, LED flash |
CONNECTIVITY FEATURES |
|
Network Type |
2G, 3G, 4G, 5G |
Wi-Fi |
Yes, with wifi-hotspot |
Wi-Fi Version |
802.11 a/b/g/n/ac/6e/7 |
Bluetooth |
Yes v5.3, A2DP, LE, aptX HD |
USB |
USB Type-C 3.1, OTG |
NFC |
Yes |
Infrared Port |
Yes |
Positioning |
GPS (L1+L5), GLONASS, BDS, GALILEO (E1+E5a), QZSS |
MEMORY & STORAGE |
|
RAM |
16 GB |
Internal Memory |
512 GB |
Expandable Memory |
No |
BATTERY FEATURES |
|
Battery Type |
Li-Po (Non-Removable) |
Battery Capacity |
4805 mAh |
Fast Charging |
Yes, 67W |
Sensor |
|
Fingerprint |
Yes, (side-mounted) |
Proximity |
Yes |
Accelerometer |
Yes |
Compass |
Yes |
Gyro |
Yes |
Weight & Dimension |
|
Weight |
245 g |
Dimension |
Unfolded: 153.4 x 143.1 x 5.8 mm Folded: 153.4 x 73.3 x 11.7 mm |
WARRANTY |
|
Warranty |
1 Year |
PROS
CONS
The OnePlus Open is a noteworthy entry into the foldable smartphone industry and presents a tough competition to rivals like the Galaxy Z Fold5. In particular, the OnePlus Open stands out thanks to its more sophisticated and durable design, which boasts a slimmer and lighter profile. Superior screens with greater resolutions, deeper colour, and strong Dolby Vision compatibility are another area where it excels. Additionally, the aspect ratio of the cover display is more practical.
The OnePlus Open, powered by the most recent Snapdragon processor at the time of this writing, achieves consistent and reliable performance, characterised by efficient cooling techniques and software enhancements that avoid throttling or overheating.
No matter if the smartphone is open or closed, the battery life is outstanding. Additionally, the three-speaker Dolby Atmos system produces a pleasant music experience, and charging time is quite quick.
Regardless of the lighting situation, the Hasselblad camera system is impressive in its capacity to produce natural and high-quality images and films. Highlights worth mentioning include the superb selfie, portrait, and up-close results.
The cover selfie camera exhibits some haziness, and while the dedicated selfie cameras are adequate, they are not spectacular. However, video calls are projected to be their main use.
The groundbreaking Open Canvas multi-tasking capabilities designed for foldable smartphones significantly enhances the feature-rich and highly configurable user experience provided by the OxygenOS 13. A longer software support agreement is also made by OnePlus, with four years of major Android upgrades and an additional year of security fixes guaranteed.
Although the OnePlus Open is an excellent foldable device, it is not without flaws. The lack of compatibility for High Frame Rate (HFR) gaming and a cover camera that frequently takes blurry pictures are notable drawbacks. The camera app's refusal to use the specialised telephoto camera for low-light zoom photos, despite its propensity to deliver excellent pictures, is another significant source of annoyance.
Despite this, the OnePlus Open presents a strong option to the Fold5, especially for customers who do not need a stylus and do not want to immerse the device in water. It stands out in the foldable smartphone market as a more adaptable and high-spec device.
Regardless of whether the OnePlus Open is open or closed, we have had a great overall experience with it. Its seamless integration of the features of a smartphone, tablet, and premium cameraphone makes it a standout recommendation—especially as the price it initially cost stabilises over time.
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