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OnePlus Open
Specifications
Price in Bangladesh
| Unofficial Unofficial prices and phones are available only non authorized shops. The device does not come with an official warranty in Bangladesh. | 16GB 512GB ৳1,50,000 |
General
| Device Type | Smartphone |
| Model | CPH2551 |
| Announced | October, 2025 |
| Released | October, 2025 |
| Status | Available |
Hardware & Software
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android |
| OS Version | v13 |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Qualcomm Snapdragon 8 Gen 2 |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa core (3.2 GHz, Single core, Cortex X3 + 2.8 GHz, Quad core, Cortex A715 + 2 GHz, Tri core, Cortex A510) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 4 nm |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Adreno 740 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 16 GB |
Design
| Dimensions | Unfolded: 153.4 x 143.1 x 5.8 mm, Folded: 153.4 x 73.3 x 11.7 mm |
| Weight | 239 g or 245 g (8.43 oz) |
| Colors |
Emerald Dusk, Voyager Black, Apex Edition |
| Build Material | Glass front (Ceramic Guard) (folded), plastic front (unfolded), glass back or eco leather back, aluminum frame |
| Water Resistant | Splash proof |
| IP Rating | IPX4 |
| Ruggedness | Dust proof |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | LTPO Flexi-fluid AMOLED |
| Size | 7.82 inches (19.86 cm) |
| Resolution | 2268x2440 px |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 426 ppi |
| Screen to Body Ratio | 174.98 % |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 2800 nits |
| Features |
Cover display: LTPO3 Super Fluid OLED, 1B colors, Dolby Vision, 120Hz, 2800 nits (peak) 6.31 inches, 1116 x 2484 pixels, 431 ppi, Ceramic Guard |
| Refresh Rate | 120 Hz |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Triple |
| Main Camera | 48 MP |
| Second Camera | 64 MP |
| Third Camera | 48 MP |
| Autofocus | Phase Detection autofocus, Continuous autofocus |
| OIS | |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | LED Flash |
| Image | 8000 x 6000 Pixels |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/1.7 |
| Camera Features |
Auto Flash, Face detection, Filters, Touch to focus |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps gyro-EIS, HDR10+, Dolby Vision |
| Video Recording Features | 3840x2160, 1920x1080 |
| Video FPS | 60 fps |
Front Camera
| Camera Setup | Dual |
| Secondary |
20MP, f/2.2, (wide), 1/4", 0.7µm Cover camera: 32MP, f/2.4, (wide), 1/3.14", 0.7µm |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | Screen flash |
| Aperture | f/2.2 |
| Camera Features |
Fixed Focus |
| Video | 4K@30fps, 1080p@30/60fps, gyro-EIS |
| Video FPS | 30fps |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Placement | Non-removable |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 4805 mAh |
| Quick Charging | Super VOOC, 67W: 100 % in 42 minutes |
| USB Type-C | USB Type-C 3.1 |
Storage
| Storage Type | UFS 4.0 |
| Storage Capacity | 512 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network |
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 |
| 5G Network |
1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 75, 77, 78 SA/NSA |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Standard SIM |
Data
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | HSPA, LTE (CA), 5G |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Messaging
| SMS SMS (Short Messaging Service) is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow mobile phone devices to exchange short text messages over the networks. | Yes |
| MMS MMS (Multimedia Messaging Service) is a standard way to send messages that include multimedia content (audio clips, video clips and images) to and from mobile phones over wireless networks using the WAP protocol. | |
| Email Email (Electronic Mail) is a system for receiving, sending, and storing electronic messages, Similar to a letter, email is text messages that may contain files, images, or other attachments sent via the internet to a recipient by using applications and software prograps. An email address is required to receive email, and that address is unique to the user. | Yes |
| IM IM (Instant Messaging) is an exchange of text messages through a software application, it enable you to create a kind of private chat room with another individual in order to communicate in real time over the Internet. | Yes |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | 5.3, A2DP, LE, aptX HD |
| Wi-fi Hotspot | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | |
| USB | USB Type-C 3.1, OTG |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | GPS (L1+L5), GLONASS, BDS, GALILEO (E1+E5a), QZSS |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Media
| FM Radio | No |
| Loudspeaker | Yes, with stereo speakers (Dolby Atmos enhanced) |
| 3.5mm Jack | No |
Sensors & Security
| Fingerprint Sensor | |
| Fingerprint Sensor Position | Side-mounted |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
| Face Unlock | Yes |
More
| Made By | China |
Performance Tests
| AnTuTu | 968130 (v9), 1349633 (v10) |
| GeekBench | 3969 (v5.5), 4169 (v6.0) |
| Display | 1238 nits max brightness (measured) |
| Loudspeaker | -28.2 LUFS (Average) |
| Battery (new) | Active use score 11:59h |
| Battery (old) | Endurance rating 96h |
OnePlus Open Price in Bangladesh
The OnePlus Open is priced at ৳150,000 in Bangladesh for the 16GB RAM + 512GB storage variant (unofficial price). This high-end foldable smartphone is OnePlus’ debut in the foldable category, offering a premium experience with flagship-level performance and cutting-edge innovation.
Launched in October 2023, the OnePlus Open combines an expansive 7.82-inch AMOLED foldable display with the power of a Snapdragon 8 Gen 2 processor, delivering top-tier performance for multitasking and media consumption. The phone boasts a sophisticated design, a triple rear camera system led by a 64MP sensor, a large battery with super-fast charging, and 5G support. As a flagship device, it stands out for its immersive display, sleek folding design, and high-end hardware that appeals to tech enthusiasts and productivity-focused users alike.
OnePlus Open Specifications
Display and Design
The OnePlus Open features a stunning 7.82-inch LTPO Flexi-fluid AMOLED foldable display with a crisp resolution of 2268 x 2440 pixels and a 120Hz refresh rate, ensuring ultra-smooth scrolling and vibrant visuals. It reaches an impressive 2800 nits of peak brightness, making it easy to view even under bright sunlight.
Complementing the main screen is a 6.31-inch LTPO3 Super Fluid OLED cover display with a resolution of 1116 x 2484 pixels, also supporting 120Hz refresh rate, Dolby Vision, and Ceramic Guard protection.
In terms of design, the OnePlus Open boasts a refined and futuristic aesthetic. When unfolded, it measures 153.4 x 143.1 x 5.8 mm, and when folded, it compacts to 153.4 x 73.3 x 11.7 mm. It weighs around 239g to 245g, depending on the finish. Available in Emerald Dusk, Voyager Black, and the limited Apex Edition, the phone uses a mix of glass, eco-leather, and a premium aluminum frame. It’s also splash-proof (IPX4) and dust resistant, adding to its durability.
Performance and Processor
Under the hood, the OnePlus Open is powered by the Qualcomm Snapdragon 8 Gen 2 chipset, built on a 4nm process, paired with an octa-core CPU (1×3.2 GHz Cortex-X3 + 4×2.8 GHz Cortex-A715 + 3×2.0 GHz Cortex-A510) and Adreno 740 GPU. This hardware combination ensures seamless performance for gaming, heavy multitasking, and productivity tasks.
With 16GB of LPDDR5X RAM and 512GB of UFS 4.0 storage, the phone handles apps and data with ease. While there’s no microSD card slot, the vast internal storage is sufficient for most power users. Whether you’re gaming, editing videos, or juggling multiple apps, the OnePlus Open delivers a flagship-level experience.
Camera and Video
The triple rear camera system on the OnePlus Open is a standout feature:
- Main Sensor: 48MP (f/1.7) with OIS
- Telephoto Lens: 64MP with 3x optical zoom
- Ultra-Wide Lens: 48MP
This setup offers phase detection autofocus, LED flash, HDR, AI enhancements, and a robust zoom range. For video, it supports 4K at 30/60fps, 1080p up to 240fps, HDR10+, and Dolby Vision, delivering professional-grade footage.
On the front, the device offers two selfie cameras:
- Inner front camera: 20MP (f/2.2), great for video calls when unfolded
- Cover front camera: 32MP (f/2.4), ideal for quick selfies on the go
Both support 4K video recording and gyro-EIS for stable videos.
Battery and Charging
The OnePlus Open is equipped with a 4805mAh non-removable Li-Ion battery, ensuring all-day usage even with heavy multitasking. It supports 67W SuperVOOC fast charging, capable of charging the device 100% in just 42 minutes.
The phone uses a USB Type-C 3.1 port, which also supports OTG. Power efficiency is enhanced thanks to the 4nm chipset and optimized OxygenOS.
Connectivity and 5G Support
The OnePlus Open supports a wide range of network bands, including full 5G support (SA/NSA), 4G LTE, 3G, and 2G. It offers dual SIM capability, ensuring flexibility for users managing multiple numbers.
Connectivity features include:
- Bluetooth 5.3 with aptX HD
- Wi-Fi with hotspot support
- USB Type-C 3.1 with OTG
- GPS with support for GPS (L1+L5), GLONASS, BDS, GALILEO, QZSS
- NFC for contactless payments and file sharing
Additional Features
The OnePlus Open includes a range of sensors and features to enhance usability:
- Side-mounted fingerprint sensor
- Face unlock
- Stereo speakers with Dolby Atmos
- No 3.5mm headphone jack
- No FM Radio
- Android 13 out of the box with OnePlus’ custom OxygenOS skin
Other sensors include an accelerometer, gyroscope, proximity sensor, ambient light sensor, and compass, ensuring smooth user interactions across various scenarios.
Reason to Buy
Here are some of the top reasons why the OnePlus Open is worth considering:
- Flagship foldable design with ultra-premium build
- Gorgeous dual displays with 120Hz refresh rate and 2800 nits brightness
- Powerful Snapdragon 8 Gen 2 processor for top-tier performance
- Triple camera setup including a 64MP telephoto lens
- Fast 67W charging with excellent battery backup
- Ample 512GB storage and massive 16GB RAM
- Stereo speakers with Dolby Atmos for immersive sound
- Android 13 with optimized OxygenOS UI
Verdict
The OnePlus Open is a powerful and stylish foldable phone that brings flagship performance to the foldable category. It excels in display quality, build, camera features, and overall performance. Its premium pricing is justified by top-of-the-line hardware, an innovative form factor, and a seamless multitasking experience.
Ideal for tech-savvy users, professionals, and multitaskers who want the best of both a smartphone and a tablet, the OnePlus Open is one of the most compelling foldables available in 2025.
FAQ
Q: What is the price of OnePlus Open in Bangladesh?
A: The unofficial price is ৳150,000 for the 16GB RAM + 512GB storage variant.
Q: Does the OnePlus Open support 5G?
A: Yes, it supports a wide range of 5G bands (SA/NSA).
Q: How fast is the charging on OnePlus Open?
A: It supports 67W SuperVOOC fast charging, capable of reaching 100% in just 42 minutes.
Q: Is the storage expandable?
A: No, there’s no microSD card slot, but it offers 512GB UFS 4.0 internal storage.
Q: Does the phone have water resistance?
A: It is IPX4 splash-proof and dust-resistant, but not fully waterproof.
Q: What operating system does it run?
A: The OnePlus Open runs Android 13 with the OxygenOS interface.
Q: How good is the camera?
A: It features a triple rear camera setup with a 64MP telephoto lens, 48MP wide, and 48MP ultra-wide, supporting 4K video, HDR10+, and Dolby Vision.
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Disclaimer Note
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