The smartphone market in 2025 has seen intense competition, with brands striving to deliver powerful hardware, cutting-edge camera systems, and long-lasting battery technology. Oppo, known for blending sleek design with innovation, has launched the Oppo F31 Pro, a device positioned as a premium mid-range contender. Released on 16 September 2025, the phone promises high durability, strong performance, and an impressive camera setup, all packed into an elegant and lightweight frame. In this detailed review, we explore every aspect of the Oppo F31 Pro to help you understand what makes it one of the most talked-about devices of the year.
Design and Build Quality
Oppo has taken durability seriously with the F31 Pro. Despite weighing only 190 grams and measuring a slim 8mm in thickness, the phone carries robust certifications. It comes with IP68 and IP69 ratings, making it resistant to dust, high-pressure water jets, and even immersion in water up to 1.5 meters for 30 minutes. Additionally, it is MIL-STD-810H compliant, which means the device is tested against shocks, drops, and extreme environmental conditions, although it is not marketed as a rugged phone. The overall aesthetic remains premium, with a minimalist design language and smooth contours. Available in Space Grey and Desert Gold, the phone feels modern yet subtle, appealing to users who prefer a refined look.
Display and Viewing Experience
At the front, the Oppo F31 Pro features a 6.57-inch AMOLED display that supports 1 billion colors, making it excellent for content consumption, photography, and gaming. With a 120Hz refresh rate, the scrolling experience is exceptionally smooth, while animations remain fluid and responsive. The resolution of 1080 x 2372 pixels ensures crisp visuals with a pixel density of around 397 ppi. Whether watching HDR videos or browsing social media, the screen produces vibrant colors and deep blacks, a trademark of AMOLED technology. The display also gets impressively bright, reaching up to 1400 nits in High Brightness Mode, which helps maintain clarity even under direct sunlight. Oppo’s DT-Star D+ protection adds an extra layer of durability against scratches and drops.
Performance and Software
Powering the Oppo F31 Pro is the Mediatek Dimensity 7300 chip, built on a highly efficient 4nm architecture. The octa-core CPU features a balance of four high-performance Cortex-A78 cores clocked at 2.5 GHz and four energy-efficient Cortex-A55 cores at 2.0 GHz. Paired with the Mali-G615 MC2 GPU, the device handles gaming, multitasking, and high-resolution video playback without difficulty. Users can choose between multiple configurations, including 8GB or 12GB RAM combined with 128GB or 256GB UFS 3.1 storage. Although the device does not include a microSD card slot, the available storage options are sufficient for most power users.
Running on Android 15 with Oppo’s ColorOS 15, the software experience feels polished and intuitive. ColorOS continues to offer extensive customization options, smoother animations, and an optimized power management system. Features like improved privacy controls, adaptive performance tuning, and enhanced gesture navigation contribute to a seamless overall experience.
Camera Performance
The Oppo F31 Pro brings a well-balanced camera system designed for both everyday photography and creative shooting. The main camera houses a 50-megapixel sensor with an f/1.8 aperture, optical image stabilization, and phase detection autofocus. The presence of OIS allows the camera to maintain clarity even in low-light conditions or when capturing moving subjects. Oppo has also added a color spectrum sensor, enabling more accurate tone reproduction and improved HDR processing.
Video shooters will appreciate the ability to record in 4K at 30fps, along with support for 1080p at 120fps for smooth slow-motion footage. The phone also includes gyro-EIS, which improves video stabilization and keeps handheld recording steady.
On the front, the 32-megapixel selfie camera delivers impressive clarity and natural skin tones. With support for 4K recording and 1080p at up to 60fps, influencers and video content creators will find the camera highly versatile. Panorama mode enhances group selfies and scenic captures, making it suitable for travel and lifestyle photography.
Battery Life and Charging
Battery performance is one of the strongest selling points of the Oppo F31 Pro. The device packs a massive 7000 mAh silicon-carbon lithium-ion battery, which significantly outperforms the traditional lithium-ion batteries used in most phones. Silicon-carbon batteries are known for their long lifespan, higher energy density, and faster charging compatibility. With such a large battery, users can expect two full days of regular usage or extended gaming sessions without worrying about running out of power.
Oppo supports multiple fast-charging standards, including 80W wired charging that can bring the phone from zero to 37% in just 20 minutes. It also includes PPS, Power Delivery, and Quick Charge support, making it compatible with a wide variety of charging adapters. The device even supports 10W reverse wired charging, allowing it to serve as a power bank for other gadgets.
Connectivity and Additional Features
The Oppo F31 Pro is fully equipped for modern connectivity needs. With support for GSM, HSPA, LTE, and 5G networks, the device ensures high-speed internet performance across regions. It includes Wi-Fi 6 for faster wireless connections, Bluetooth 5.4 for improved audio quality and lower latency, and an infrared port for controlling appliances. While NFC is absent, the phone includes an under-display optical fingerprint sensor, stereo speakers, and OTG support via USB Type-C 2.0.
Conclusion
The Oppo F31 Pro stands out as a feature-rich, durable, and performance-driven smartphone that offers tremendous value for its segment. With its vibrant AMOLED display, reliable camera system, excellent battery life, and premium build quality, it successfully balances power and practicality. Whether you're a gamer, content creator, or everyday user looking for a dependable and stylish smartphone, the Oppo F31 Pro delivers a compelling package that is hard to overlook in 2025.
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