Oppo F31 Pro 5G (8GB+256GB)
Oppo F31 Pro 5G Available 3 Variant:
Full Specifications
Price in BD
| Unofficial | 8GB+256GB (IN) - 40,000 TK |
General Info
| Announced | 15 September, 2025 |
| Status | Available |
| Released | 15 September, 2025 |
| Brand | Oppo |
| Model | F31 Pro 5G |
| Made By | China |
Network
| Technology | GSM / HSPA / LTE / 5G |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 900 / 2100 |
| 4G bands | 1, 3, 5, 8, 28, 40, 41 |
| 5G bands | 1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA |
| VoLTE | |
| Speed | HSPA, LTE, 5G |
Body
| Dimensions | 185.2 x 75 mm |
| Thickness | 8 and 8.1 mm |
| Weight | 191g (Desert Gold) / 190g (Space Grey) |
| SIM Slot | Dual SIM |
| 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. | Nano-SIM + Nano-SIM |
| Build | Glass front (Gorilla Glass 7i), fiber fabric back or fiberglass back |
| Colors | Space Grey, Desert Gold |
| IP Rating | IP69 + IP68 + IP66 Water and Dust Resistance |
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) | AMOLED |
| Size | 6.57 inches, 108.0 cm2 |
| Screen to Body | ~93.0% |
| Features | 1B colors, FHD+ |
| Brightness | 600 nits (typ), 1400 nits (HBM) |
| Refresh Rate | 120Hz |
| Resolution | 1080 x 2372 pixels |
| 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. | ~397 ppi |
| Protection | DT-Star D+ |
| Bezel-less | Yes with punch-hole display |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
Performance
| 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. | MediaTek Dimensity 7300 Energy |
| Fabrication | 4 nm |
| 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 ( 4 Arm Cortex-A78 cores@2.5GHzs, 4 Arm Cortex-A55 cores@2.0GHz) |
| CPU Cores | 8 cores |
| 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. | Arm Mali-G615@1.047GHz |
| Architecture | 64-bit |
| OS | Android 15 |
| UI | ColorOS 15.0 |
Memory
| RAM 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. | 8 GB |
| RAM Type | LPDDR4X |
| ROM | 256 GB |
| Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. | No |
| UFS | 3.1 |
Main Camera
| Dual |
50 MP, f/1.8, 27mm (wide), FOV 76°; 5P lens; AF Supported; Supports 2-axis OIS 2 MP, f/2.4; FOV 89°; 3P lens |
| OIS | Yes |
| Features | Photo, Video, Portrait, Night, Panorama, SLO-MO, DUAL-VIEW VIDEO, TIME-LAPSE, STICKER, HI-RES, Google Lens, Underwater, PRO, DOC SCANNER |
| 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 |
| Video Recording | 4K@30fps, 1080p@30/60/120fps, 720p@30/60/120/240fps, gyro-EIS, OIS |
| Autofocus | |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
Selfie Camera
| Single | 32MP; f/2.4; FOV 82°; 5P lens |
| Video Recording | 1080p@30fps, 720p@30fps |
Sound
| Loudspeaker | |
| 3.5mm jack | |
| Others | with stereo speakers |
Connectivity
| WLAN Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band |
| 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. | 5.4, A2DP, LE, aptX HD |
| Positioning | GPS, GLONASS, Galileo, 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. | |
| 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. | |
| Radio | |
| USB | Type-C 2.0, OTG |
Sensors
| Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device. | accelerometer, gyro, proximity, compass |
| Fingerprint | Under display, optical |
| Face Unlock | Yes |
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. | Si/C Li-Ion |
| 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. | 7000 mAh |
| Charging |
80W wired 44W third-party fusion fast charging |
| Reverse | 33W PPS, 13.5W PD, and 13.5W QC |
Tests
PROS
- Display: AMOLED, 1B colors, 120Hz
- Chip: MediaTek Dimensity 7300 Energy (4nm)
- Video 4K@30fps
- Infrared port Supported
CONS
- Card slot Not Support
- No 3.5mm jack
- No FM Radio, NFC
Oppo F31 Pro 5G Price in Bangladesh
Oppo F31 Pro 5G is now available in India variants 8GB+256GB. Now, Oppo F31 Pro 5G’s Price is 40,000 Taka in Bangladesh.
Oppo F31 Pro 5G Overview
The Oppo F31 Pro 5G officially launched on 15 September 2025, bringing a blend of style, durability, and high-end performance to the mid-premium smartphone segment. This phone is powered by the MediaTek Dimensity 7300 Energy chipset built on a 4nm process, delivering impressive efficiency and speed. It runs on the latest Android 15 with ColorOS 15.0, ensuring a smooth user experience with new features and optimizations. Its 5G connectivity supports multiple global bands, making it future-ready for ultra-fast browsing, gaming, and streaming.
Design-wise, the device comes in two elegant colors: Space Grey and Desert Gold, weighing just around 190–191 grams. It features a glass front with Gorilla Glass 7i protection and a fiber fabric/fiberglass back, giving it both premium feel and durability. The standout highlight is its IP69 + IP68 + IP66 water and dust resistance, making it one of the toughest smartphones in this range.
The display is a 6.57-inch AMOLED panel with 120Hz refresh rate, 1 billion colors, and a peak brightness of 1400 nits, ensuring smooth visuals even under bright sunlight. With a ~93% screen-to-body ratio and a 1080 x 2372 resolution, it offers an immersive, bezel-less experience with punch-hole design. Gamers and binge-watchers will particularly enjoy its vibrant visuals and ultra-responsive touch.
Photography is another strong point of the Oppo F31 Pro 5G. On the rear, it has a dual camera setup: a 50MP wide lens with 2-axis OIS and a 2MP depth lens, capable of recording 4K videos at 30fps with gyro-EIS stabilization. The 32MP front camera supports clear selfies and 1080p video recording, making it great for social media creators. Advanced modes like dual-view video, slow motion, underwater mode, and Google Lens bring versatility to content creation.
The battery is an absolute powerhouse with a 7000mAh Si/C Li-Ion capacity, supporting 80W wired charging and reverse charging at 33W PPS. With this, users can expect extended screen-on time and quick refueling. Stereo speakers further enhance the entertainment experience, though there’s no 3.5mm headphone jack. For connectivity, it supports Wi-Fi 6, Bluetooth 5.4, GPS, and USB Type-C 2.0. Security is handled by an under-display fingerprint sensor and face unlock.
In terms of memory, the Oppo F31 Pro 5G packs 8GB RAM (LPDDR4X) and 128GB UFS 3.1 storage, offering fast app loading and multitasking. However, there is no dedicated microSD card slot. Still, the base storage should be sufficient for most users who rely on cloud storage or streaming.
What is the price of Oppo F31 Pro 5G in Bangladesh?
The unofficial price of Oppo F31 Pro 5G in Bangladesh is 40,000 BDT for the 8GB + 256GB variant.
Does Oppo F31 Pro 5G support 5G networks?
Yes, it supports multiple 5G bands (1, 3, 5, 8, 28, 40, 41, 77, 78 SA/NSA) for fast connectivity.
How good is the camera on Oppo F31 Pro 5G?
It has a 50MP OIS main camera with 4K video recording and a 32MP selfie camera, offering excellent photography and video performance.
What is the battery capacity and charging speed?
The Oppo F31 Pro 5G comes with a 7000mAh battery, 80W wired fast charging, and reverse charging support.
Is Oppo F31 Pro 5G waterproof?
Yes, it comes with IP69, IP68, and IP66 ratings, making it highly resistant to water and dust.
Which processor powers the Oppo F31 Pro 5G?
It is powered by the MediaTek Dimensity 7300 Energy chipset (4nm) with Mali-G615 GPU, offering smooth gaming and multitasking performance.
Why should you buy this Oppo F31 Pro 5G phone?
The Oppo F31 Pro 5G stands out because of its massive 7000mAh battery, flagship-grade AMOLED display, durable IP-rated body, and fast 5G chipset. If you want a long-lasting phone that balances performance, photography, and durability at a reasonable price, this device is a perfect choice in 2025.
| Model | : | Oppo F31 Pro 5G |
| Released | : | 15 September, 2025 |
| RAM | : | 8 GB |
| ROM | : | 256 GB |
| Price | : | 40,000 Taka |
Our Verdict on the Oppo F31 Pro 5G
The Oppo F31 Pro 5G is a well-rounded premium mid-range phone with a strong focus on battery life, durability, and multimedia experience. While it misses out on a 3.5mm jack and expandable storage, its overall package makes it a highly competitive option in its segment.
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