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In the fiercely competitive Indian smartphone arena, users demand a device that offers not only cutting-edge 5G performance but also the stamina and durability to withstand the nation’s diverse and often demanding climate.
Enter the Oppo F31 Pro 5G , a premium mid-range offering specifically engineered to meet these unique challenges. Positioned by Oppo as the ‘Durable Champion’, this handset combines a mammoth battery, rapid charging, and an unprecedented level of rugged protection, making it a highly compelling choice for the savvy Indian consumer.
Experience and Design: Rugged Elegance
Oppo has meticulously crafted the F31 Pro to be tough without sacrificing aesthetic appeal. Available in striking options like ‘Desert Gold’ and ‘Space Grey’, the phone sports a slim profile, measuring approximately 8.0mm thick and weighing around 190g—a remarkable feat considering the huge power source tucked inside.
The key highlight, which demonstrates clear user-focused expertise, is the triple durability certification: IP66, IP68, and IP69.
While IP68 is common, the addition of IP69 (protection against high-pressure, high-temperature jets) shows Oppo’s commitment to real-world resilience, particularly relevant for professionals and outdoor enthusiasts in India dealing with monsoons and high heat.
The device also features a 360° Armour Body and strengthened AGC DT-Star D+ glass, offering reassurance against accidental drops and daily wear and tear.
Performance: Smoothness and Efficiency
At the core of the Oppo F31 Pro 5G lies the efficient MediaTek Dimensity 7300-Energy processor, fabricated on a power-saving 4nm architecture.
This chipset is tailored for a balanced blend of performance and thermal management, crucial for maintaining smoothness during extended use in high ambient temperatures (up to 43°C, as validated in SGS testing).
- Gaming & Multitasking: Paired with up to 12GB of LPDDR4X RAM and speedy UFS 3.1 storage (expandable virtually up to 24GB), the Dimensity 7300-Energy handles popular games and intensive multitasking with minimal latency. Oppo’s proprietary SuperCool VC System (4,363 mm² vapour chamber) ensures the device remains cool under pressure, a necessity for Indian summer gaming sessions.
- Software Optimisation: The device runs on ColorOS 15, based on Android 15. Oppo’s “6 Zeros” Ultra-Smooth Experience—promising zero lag, latency, flicker, crash, mislaunch, or freeze—enhances the user experience. The inclusion of new AI features like AI VoiceScribe for real-time translation and summarisation adds significant value for productivity-minded users.
The Viewing Experience: AMOLED Brilliance
The Oppo F31 Pro 5G features a vibrant 6.57-inch Flat AMOLED display with FHD+ resolution. The inclusion of a 120Hz adaptive refresh rate makes scrolling, animations, and supported gaming incredibly fluid.
With a peak brightness of 1400 nits, the screen performs exceptionally well outdoors, ensuring clarity even under direct sunlight—a massive advantage for those who spend significant time outside, from college students to business owners. The display’s wide colour gamut support delivers rich, accurate colours for media consumption.
Camera Authority: OIS and Ultra-Clear Imaging
The camera setup, while simple, focuses on core quality. The rear features a dual-camera system:
- 50MP Ultra-Clear Main Sensor (with OIS): The presence of Optical Image Stabilisation (OIS) is a hallmark of premium devices and is vital for capturing sharp, non-blurry images and stable videos, especially in challenging lighting conditions.
- 2MP Portrait/Depth Sensor: This sensor assists in creating convincing bokeh effects for stunning portrait shots.
For selfies and video calls, the high-resolution 32MP front camera delivers sharp, detailed results. Crucially, both the front and rear cameras support 4K video recording. A unique feature, demonstrating Oppo’s inventive flair, is the inclusion of a dedicated 4K Underwater Photography mode, leveraging the device’s IP69 rating.
Unstoppable Power: 7000mAh Battery
The battery is arguably the crown jewel of the Oppo F31 Pro 5G . Housing a gigantic 7000mAh cell, it promises genuinely multi-day usage for the average user. This massive capacity addresses a primary pain point for Indian users who often face unreliable power backup or spend long hours travelling.
When power is low, the device supports blazing-fast 80W SUPERVOOC Flash Charge. Oppo guarantees stable charging performance even in high heat, and it can achieve approximately 37% charge in just 20 minutes. The inclusion of 10W reverse wired charging also allows the phone to act as a portable power bank, boosting its utility score significantly.
Technical Specifications at a Glance
| Feature | Specification |
| Processor | MediaTek Dimensity 7300-Energy (4nm) |
| CPU | Octa-core (Up to 2.5 GHz) |
| RAM/Storage | 8GB/12GB LPDDR4X RAM, 128GB/256GB UFS 3.1 ROM |
| Display | 6.57-inch AMOLED, FHD+, 120Hz Refresh Rate, 1400 nits Peak Brightness |
| Rear Camera | 50MP (OIS) + 2MP Depth/Portrait |
| Front Camera | 32MP |
| Battery | 7000 mAh (Typical) |
| Charging | 80W SUPERVOOC Flash Charge, 10W Reverse Wired Charging |
| Operating System | Android 15 with ColorOS 15 |
| Durability Ratings | IP66, IP68, IP69 (Triple Certified) |
| Dimensions | Approx. 158.2 × 75.0 × 8.0 mm |
| Weight | Approx. 190 g |
| SIM Support | Dual SIM (Nano+Nano), 5G Supported |
| Connectivity | Wi-Fi 6, Bluetooth 5.4, NFC, USB Type-C 2.0 |
Pricing and Verdict for the Indian Market
The Oppo F31 Pro 5G officially launched in India with a starting price of around ₹26,999 for the 8GB+128GB variant, positioning it perfectly in the upper mid-range segment.
The Final Word (Trustworthiness):
The Oppo F31 Pro 5G is clearly a purposeful device. It is not trying to be a flagship killer with an ultra-premium camera array, but rather a “Durable Champion” designed for reliability and endurance.
The commitment to IP69 ruggedness, the massive 7000mAh battery, and the stable, efficient Dimensity 7300-Energy chipset make the Oppo F31 Pro 5G an outstanding choice for Indian buyers prioritising longevity, outdoor use, and freedom from power anxiety.
For those seeking a reliable, high-performing 5G smartphone that truly withstands the elements, the Oppo F31 Pro 5G represents a smart and highly valued investment.
Frequently Asked Questions (FAQs)
General & Pricing
- What is the price of the Oppo F31 Pro 5G in India? The Oppo F31 Pro 5G starts at an approximate price of ₹26,999 for the base 8GB RAM + 128GB storage variant. Higher configurations cost more.
- When was the Oppo F31 Pro 5G launched in India? The handset was launched in India on 15th September 2025.
- Is the Oppo F31 Pro 5G worth buying in 2025? Yes, its combination of 7000mAh battery life, 80W fast charging, IP69 durability, and a smooth Dimensity 7300-Energy chipset makes it a highly valuable and future-proof device.
- Does the Oppo F31 Pro 5G support an external SD card? No, the Oppo F31 Pro 5G relies on its UFS 3.1 internal storage (up to 256GB) and does not support external microSD card expansion.
- Which colours is the Oppo F31 Pro 5G available in? The phone is available in ‘Desert Gold’ and ‘Space Grey’ colour options.
Performance & Battery
- What processor is used in the Oppo F31 Pro 5G? It is powered by the MediaTek Dimensity 7300-Energy processor, a 4nm octa-core chipset designed for efficient 5G performance.
- What is the AnTuTu score of the Oppo F31 Pro 5G? The MediaTek Dimensity 7300-Energy chipset delivers an AnTuTu benchmark score of approximately 730,000+, demonstrating strong performance in its segment.
- How long does the 7000mAh battery last on the Oppo F31 Pro 5G? The 7000mAh battery is capable of offering multi-day endurance for most users, particularly with moderate usage.
- What is the charging speed of the Oppo F31 Pro 5G? The device supports 80W SUPERVOOC Flash Charge, capable of charging the massive 7000mAh battery very quickly.
- Does the Oppo F31 Pro 5G heat up during gaming? The phone includes a 4,363 mm² SuperCool VC System, ensuring efficient thermal dissipation to maintain smooth performance even during intense gaming sessions in high heat.
Camera & Display
- Does the Oppo F31 Pro 5G have OIS (Optical Image Stabilisation)? Yes, the primary 50MP rear camera sensor features Optical Image Stabilisation (OIS) for sharper photos and more stable videos.
- What are the key camera specifications of the Oppo F31 Pro 5G? It features a 50MP OIS main camera, a 2MP depth sensor, and a 32MP high-resolution front camera.
- Can the Oppo F31 Pro 5G record 4K video? Yes, both the 50MP rear camera and the 32MP front camera support 4K video recording.
- What type of display is on the Oppo F31 Pro 5G? It features a 6.57-inch Flat AMOLED display with a 120Hz adaptive refresh rate and 1400 nits peak brightness.
- Does the Oppo F31 Pro 5G have an under-display fingerprint sensor? Yes, the phone features an in-display fingerprint sensor for quick and secure unlocking.
Durability & Features
- What does the IP69 rating on the Oppo F31 Pro 5G mean? The IP69 rating means the phone is highly resistant to dust ingress and protected against close-range, high-pressure, high-temperature liquid jets, making it extremely durable against water damage.
- Is the Oppo F31 Pro 5G ruggedised? Yes, it is designed as a ‘Durable Champion’ with a 360° Armour Body and triple IP66/IP68/IP69 certifications.
- Does the Oppo F31 Pro 5G support AI features? Yes, it features ColorOS 15 with AI tools like AI VoiceScribe for live transcription and AI Eraser 2.0 for photo editing.
- What is the maximum virtual RAM expansion available on the Oppo F31 Pro 5G? The device supports up to 12GB of virtual RAM expansion, giving a total usable RAM of up to 24GB.
- Is the Oppo F31 Pro 5G good for underwater photography? Yes, leveraging its high IP ratings, the phone includes a dedicated Oppo F31 Pro 5G 4K Underwater Photography mode.
Kaushik Chatterjee is a dedicated tech enthusiast and the founder of GadgetInfo.net. With 5 years of experience tracking the consumer electronics market, specializes in breaking down complex technical specifications into easy-to-understand insights for everyday users.
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