On September 15, 2025, OPPO is set to launch the F31 Pro in India, a mid-range smartphone that promises to combine rugged durability, long-lasting battery life, and cutting-edge AI features at an affordable price point. Positioned as the “Durable Champion,” the OPPO F31 Pro is part of the F31 series, succeeding the popular F29 lineup. With a focus on 5G connectivity, a massive battery, and a robust build, this device aims to capture the attention of Indian consumers looking for value and performance. Here’s everything you need to know about the OPPO F31 Pro ahead of its launch.
Launch Details and Availability
The OPPO F31 Pro will be unveiled at 12 PM IST on September 15, 2025, through a live event streamed on OPPO’s official website and social media channels. The device is expected to be available for purchase shortly after via OPPO’s online store, Amazon, Flipkart, and select offline retail partners. Pre-booking options are already live on OPPO’s website, with potential offers like no-cost EMI, exchange bonuses, or bundled accessories expected at launch.
The expected starting price for the base variant (8GB RAM + 256GB storage) is ₹24,990, making it a strong contender in the sub-₹30,000 segment. Higher variants may retail up to ₹29,999, aligning with competitors like the Realme 14 Pro and Vivo T4.
Key Specifications
The OPPO F31 Pro brings a compelling mix of features tailored for durability, performance, and modern connectivity. Here’s a detailed look at its specs based on official teasers and reliable leaks:
Display
- Size and Type: 6.57-inch AMOLED
- Resolution: FHD+ (1080 x 2400 pixels)
- Refresh Rate: 120Hz for smooth scrolling and gaming
- Brightness: Up to 1,200 nits, HDR10+ support
- Protection: Gorilla Glass or equivalent for scratch resistance
The vibrant AMOLED panel ensures rich colors and deep blacks, ideal for media consumption and gaming.
Processor and Performance
- Chipset: MediaTek Dimensity 7300 (octa-core, up to 2.5GHz)
- Alternative Variant: Possible Snapdragon 7 Gen 3 in select markets
- Performance Benchmark: AnTuTu score ~700,000+
- RAM and Storage: 8GB LPDDR4X RAM (virtual expansion up to 16GB), 128GB/256GB UFS 3.1 storage (expandable via microSD)
The Dimensity 7300 offers reliable performance for multitasking, gaming, and 5G connectivity, while virtual RAM expansion keeps the device snappy over time.
Camera System
- Rear Camera:
- 50MP main sensor (Sony IMX766 or OV50D40, with OIS, 2x optical zoom)
- 2MP monochrome/depth sensor
- Features: 4K video at 30fps, underwater photography (IP68-rated)
- Front Camera: 32MP for high-resolution selfies and 4K video calls
The camera setup excels in low-light conditions and supports creative features like underwater shooting, appealing to content creators.
Battery and Charging
- Capacity: 7,000mAh silicon-carbon battery
- Durability: Rated for 1,830 cycles (~5 years of daily use)
- Charging: 80W SuperVOOC fast charging (0-58% in 30 minutes, full charge in ~60 minutes)
- Additional Features: Wired reverse charging, bypass charging for gaming to reduce heat
The massive battery is a standout, offering multi-day usage on a single charge.
Build and Durability
- Design: 360° Armour Body with aluminum alloy frame, diamond-cut corners, and impact airbags
- Durability Ratings: IP66/IP68/IP69 dust and water resistance (survives 1.5m submersion for 30 minutes, high-pressure jets)
- Certification: SGS A+ for high-temperature fluency (stable up to 40°C)
- Dimensions and Weight: ~162.5 x 75.5 x 8.2mm, ~195g
- Color Options: Likely Blue, Gold, Grey, or Black
The F31 Pro’s rugged build makes it ideal for outdoor enthusiasts or those prone to accidental drops.
Software and AI Features
- OS: Android 15-based ColorOS 15
- Longevity: 72-Month Fluency Protection 2.0 for 6 years of smooth performance
- AI Enhancements: Storage defragmentation, intelligent app pre-loading, stable frame rates, and professional photo editing tools
ColorOS 15 introduces AI-driven optimizations to keep the device running efficiently over its lifespan.
Connectivity and Other Features
- Network: 5G (SA/NSA), Wi-Fi 6, Bluetooth 5.3, NFC
- Ports: USB-C 2.0, dual SIM, rumored 3.5mm headphone jack
- Additional Features: In-display fingerprint sensor, stereo speakers, IR blaster
Standout Features
- Unmatched Battery Life: The 7,000mAh battery is one of the largest in its class, ensuring days of usage without needing a recharge.
- Rugged Durability: With IP69 and a 360° Armour Body, the F31 Pro is built to withstand water, dust, and drops, a rare feature under ₹30,000.
- AI-Powered Longevity: The 72-Month Fluency Protection 2.0 ensures the phone remains fast and responsive for years, backed by AI optimizations.
- Versatile Camera: The 50MP main sensor with OIS and underwater shooting capabilities caters to both casual users and content creators.
- Value Proposition: Priced competitively, it offers premium features like fast charging and 5G at an accessible price.
Comparison with F31 Series
- OPPO F31 (Base): Features a Dimensity 6300, 16MP front camera, and dual 2MP rear sensors. It has a smaller 6.5-inch display and is priced under ₹20,000.
- OPPO F31 Pro+: Upgrades to a Snapdragon 7 Gen 3, a larger 6.79-inch display, and potentially better camera processing, retailing around ₹29,999–₹34,999.
The F31 Pro strikes a balance between affordability and premium features, making it the sweet spot in the lineup.
Market Positioning and Competition
The OPPO F31 Pro competes in the crowded sub-₹30,000 segment in India, going head-to-head with:
- Realme 14 Pro: Similar AMOLED display and 5G but lacks the F31 Pro’s battery capacity and IP69 rating.
- Vivo T4: Comparable camera and performance but falls short on durability certifications.
- Samsung Galaxy M56: Offers a reliable brand but may not match the F31 Pro’s battery or AI features.
OPPO’s focus on durability and battery life gives the F31 Pro an edge for users prioritizing longevity and ruggedness.
Conclusion
The OPPO F31 Pro is poised to make a strong impact in India’s mid-range smartphone market. Its combination of a massive 7,000mAh battery, IP69 durability, and AI-enhanced longevity makes it a compelling choice for students, professionals, and outdoor enthusiasts. Priced under ₹25,000, it delivers premium features typically reserved for higher-end devices. As the launch on September 15 approaches, all eyes are on OPPO to see if the F31 Pro lives up to its “Durable Champion” moniker. For the latest updates, pricing, and offers, visit OPPO’s official website or e-commerce platforms like Amazon and Flipkart.
Stay tuned for hands-on reviews and detailed comparisons post-launch to see how the F31 Pro performs in real-world conditions!