OPPO F31 Pro 5G is a mid-range 5G phone for users looking for a big AMOLED screen, a powerful MediaTek chipset, a large battery, and quick charging. The device will be powered by Android 15 and ColorOS 15. The device will run Android 15 and ColorOS 15. The specs include a 6.57-inch 120Hz AMOLED display, MediaTek Dimensity 7300 processor, up to 12GB of RAM, a 50MP front camera with OIS, and a huge 7000mAh battery that supports up to 80W wired charging. This article will provide complete information about Oppo F31 Pro 5G.
OPPO F31 Pro 5G Full Specifications

| Specification | Details |
| Model | OPPO F31 Pro 5G |
| Announcement | September 16, 2025 |
| Network | GSM / HSPA / LTE / 5G |
| Dimensions | 158.2 x 75 x 8 mm |
| Weight | 190 g |
| SIM | Nano-SIM + Nano-SIM |
| Display | 6.57-inch AMOLED |
| Resolution | 1080 x 2372 pixels |
| Refresh Rate | 120Hz |
| Chipset | MediaTek Dimensity 7300 |
| CPU | Octa-core |
| GPU | Mali-G615 MC2 |
| RAM | 8GB / 12GB |
| Storage | 128GB / 256GB |
| Storage Type | UFS 3.1 |
| microSD | No |
| Rear Camera | 50MP + auxiliary lens |
| Rear Video | Up to 4K 30fps |
| Front Camera | 32MP |
| Front Video | Up to 4K 30fps |
| Operating System | Android 15 |
| UI | ColorOS 15 |
| Battery | 7000mAh |
| Charging | 80W wired |
| Reverse Charging | 10W wired |
| Wi-Fi | Wi-Fi 6 |
| Bluetooth | 5.4 |
| NFC | No |
| Infrared | Yes |
| USB | Type-C 2.0 |
| Speakers | Stereo |
| Headphone Jack | No |
| Fingerprint | Under-display optical |
| Water Resistance | IP68/IP69 |
| Colors | Space Grey, Desert Gold |
OPPO F31 Pro Price in India
The OPPO F31 Pro 5G price in India starts at ₹26,999 for the 8GB RAM and 128GB storage variant. OPPO also offers an 8GB RAM and 256GB storage model for ₹28,999, while the top-end variant with 12GB RAM and 256GB storage costs ₹30,999. These are the phone’s official launch prices, and the current prices may vary depending on the retailer, available discounts, and bank offers.
| Variant | RAM | Storage | Price |
| Base Variant | 8GB | 128GB | ₹26,999 |
| Mid Variant | 8GB | 256GB | ₹28,999 |
| Top Variant | 12GB | 256GB | ₹30,999 |
OPPO F31 Pro 5G Design and Build
The stylish design of the OPPO F31 Pro 5G is 158.2 x 75 x 8 mm and weighs approximately 190 grams. It’s a combination of a modern smartphone design and protection features designed to make it more durable.
The OPPO F31 Pro 5G features a triple IP66, IP68, and IP69 water and dust resistance rating. The device resists high-pressure water jets and withstands immersion under certain conditions. The manufacturer also claims MIL-STD-810H compliance, but that does not mean they built the device for all extreme environments.
| Design Feature | Details |
| Dimensions | 158.2 x 75 x 8 mm |
| Weight | 190 g |
| SIM | Nano-SIM + Nano-SIM |
| Water/Dust Resistance | IP68/IP69 |
| Durability Standard | MIL-STD-810H compliant |
| Colors | Space Grey, Desert Gold |
OPPO F31 Pro 5G Display
The phone is equipped with a 6.57 inch AMOLED display that has a resolution of 1080 x 2372 pixels. It has a 120Hz refresh rate to ensure smoother scrolling, animations, and supported games. The display can show 1 billion colors and provides up to 1400 nits HBM brightness. The screen is also protected with DT-Star D+.
| Display Specification | Details |
| Display Type | AMOLED |
| Screen Size | 6.57 inches |
| Resolution | 1080 x 2372 pixels |
| Refresh Rate | 120Hz |
| Color Support | 1B colors |
| Typical Brightness | 600 nits |
| Peak HBM Brightness | 1400 nits |
| Pixel Density | Around 397 ppi |
| Protection | DT-Star D+ |
| Screen-to-Body Ratio | Around 88.5% |
OPPO F31 Pro 5G Processor and Performance
OPPO F31 Pro 5G is powered by the MediaTek Dimensity 7300 SoC, a 4nm processor. It features an octa-core CPU of which four cores are Cortex-A78 which run up to 2.5GHz while four are Cortex-A55 at up to 2.0GHz. The Mali-G615 MC2 GPU provides graphics processing. This pack is good for day-to-day use, multitasking, streaming and gaming in the mid range settings.
| Performance Component | Specification |
| Chipset | MediaTek Dimensity 7300 |
| Process | 4nm |
| CPU | Octa-core |
| Performance Cores | 4x Cortex-A78 up to 2.5GHz |
| Efficiency Cores | 4x Cortex-A55 up to 2.0GHz |
| GPU | Mali-G615 MC2 |
| Software | Android 15 with ColorOS 15 |
RAM and Storage
The OPPO F31 Pro 5G comes with up to 12GB RAM and 256GB internal storage. It is powered by UFS 3.1 storage technology, which provides quicker data access than previous storage technologies. The microSD slot is not provided, thus users should select the storage option wisely.
| RAM | Storage | Storage Type |
| 8GB | 128GB | UFS 3.1 |
| 8GB | 256GB | UFS 3.1 |
| 12GB | 256GB | UFS 3.1 |
OPPO F31 Pro 5G Camera

There is a 50MP rear camera with a f/1.8 lens, PDAF and OIS. To minimize the impact of hand movements when photographing or videoing, use OIS. The camera also has an auxiliary lens, and camera features include LED flash and a color spectrum sensor, and HDR.
| Rear Camera Feature | Details |
| Main Camera | 50MP |
| Aperture | f/1.8 |
| Autofocus | PDAF |
| Stabilization | OIS |
| Additional Camera | Auxiliary lens |
| Flash | LED |
| Features | HDR, Panorama, Color Spectrum Sensor |
| Maximum Video | 4K at 30fps |
OPPO F31 Pro 5G Selfie Camera
The selfie and video calling will be done by the phone’s 32MP sensor with an f/2.4 aperture. There is a front-facing camera that can capture videos up to 4K resolution at 30 fps and can also be used for panorama shots.
| Front Camera Specification | Details |
| Resolution | 32MP |
| Aperture | f/2.4 |
| Lens | Wide |
| Features | Panorama |
| Video | 4K at 30fps |
| Additional Video | 1080p at 30/60fps |
| Stabilization | Gyro-EIS |
Video Recording
The OPPO F31 Pro 5G has dual video capture capabilities, with both the front and rear cameras capable of capturing video. The rear camera can record 4K video at 30fps, and 1080p video at 30, 60 and 120fps. OIS and gyro-EIS increase video stability, especially when the phone is being moved during the video recording.
| Video Feature | Rear Camera | Front Camera |
| 4K | 30fps | 30fps |
| 1080p | 30/60/120fps | 30/60fps |
| Stabilization | OIS + Gyro-EIS | Gyro-EIS |
OPPO F31 Pro 5G Battery and Charging
The 7000mAh battery is one of the most impressive features of the OPPO F31 Pro 5G. The large battery ensures long lasting usage for the day, including video streaming, social media interactions, browsing and gaming. The handset has 80-watt wired charging. It also has multiple charging specifications like 33W PPS, 13.5W PD, 13.5W QC and UFCS. Can charge up to 10W reverse wired.
| Battery Feature | Details |
| Battery Capacity | 7000mAh |
| Battery Type | Si/C Li-Ion |
| Wired Charging | 80W |
| PPS | 33W |
| PD | 13.5W |
| QC | 13.5W |
| Reverse Wired Charging | 10W |
| Listed Charging Figure | 37% in 20 minutes |
Software and ColorOS
The OPPO F31 Pro 5G is powered by the latest Android 15 operating system and the ColorOS 15 user interface. The main software interface is provided from ColorOS with features for customization, multitasking, privacy and daily smartphone usage. The software experience also features support for the phone’s hardware capabilities including the under-display fingerprint scanner and connectivity.
| Software | Details |
| Operating System | Android 15 |
| User Interface | ColorOS 15 |
| Fingerprint Scanner | Under-display optical |
| Browser | HTML5 |
Connectivity
The OPPO F31 Pro 5G is compatible with a variety of network technologies such as GSM, 3G, 4G LTE and 5G. Its supported 5G bands include bands 1, 3, 5, 8, 28, 38, 40, 41, 77 and 78 with SA/NSA support. This feature also offers dual-band Wi-Fi 6 and Bluetooth 5.4. The mobile phone has also got an infrared port that could possibly be beneficial for controlling home devices.
| Connectivity Feature | Details |
| 5G | SA/NSA |
| Wi-Fi | Wi-Fi 6, Dual-band |
| Bluetooth | 5.4 |
| GPS | Yes |
| Galileo | Yes |
| GLONASS | Yes |
| BDS | Yes |
| QZSS | Yes |
| NFC | No |
| Infrared | Yes |
| USB | USB Type-C 2.0, OTG |
| FM Radio | No |
Audio and Security
The OPPO F31 Pro 5G comes with stereo speakers, which can provide a more immersive sound experience than a single speaker. There is no standard 3.5mm headphone port though. To secure the phone, the phone features an optical fingerprint scanner under the display.
| Feature | Details |
| Speakers | Stereo speakers |
| 3.5mm Headphone Jack | No |
| Fingerprint | Under-display optical |
| Accelerometer | Yes |
| Gyroscope | Yes |
| Proximity Sensor | Yes |
| Compass | Yes |
Conclusion
The OPPO F31 Pro 5G focuses on a combination of a smooth 120Hz AMOLED display, Dimensity 7300 performance, a 50MP OIS camera, 32MP selfie camera and a large 7000mAh battery. It boasts 80W charging, water resistance (IP68/IP69), stereo speakers and 5G connectivity, among other features. Up to 12GB of RAM and 256GB of UFS 3.1 storage is all about providing strong everyday performance and long battery life without stepping into the flagship territory.
FAQs
A1. The device has the MediaTek Dimensity 7300 4nm processor chipset and Mali-G615 MC2 GPU.
A2. It features a large 7000mAh battery which supports 80W wired charging.
A3. Yes. It’s equipped with a 6.57-inch AMOLED screen with a refresh rate of 120Hz.
A4. It has 50MP rear camera with OIS and a 32MP front camera.
A5. No. There is no provision of microSD slot on the phone, users have to choose their desired internal storage version at the time of buying.
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