New Delhi: Oppo has officially launched its much-anticipated F31 5G series in the Indian market, introducing three rugged smartphones aimed at users seeking durability, long battery life, and advanced AI capabilities. The lineup includes the entry-level Oppo F31 5G, the mid-tier Oppo F31 Pro 5G, and the premium Oppo F31 Pro+ 5G. All models boast a standout 7,000mAh battery, IP66/IP68/IP69 dust and water resistance ratings, and run on the latest ColorOS 15 based on Android 15. Priced starting from ₹22,999, the series is positioned to compete in the mid-range segment with a focus on endurance and photography.
The launch event highlighted Oppo’s emphasis on “rugged yet stylish” devices, featuring aluminum frames, vapor chamber cooling systems, and AI-driven tools for productivity and creativity. These phones are designed for India’s diverse users, from urban professionals to outdoor enthusiasts, with support for underwater photography and high-end video recording.
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Key Features Across the F31 Series
The F31 series stands out for its shared core attributes, including the massive 7,000mAh battery that promises up to two days of usage on a single charge, paired with 80W SuperVOOC fast charging (reaching 58% in just 30 minutes). All models feature a 50MP main rear camera with Optical Image Stabilization (OIS) for steady shots, even in challenging conditions. They also support 4K video recording and come with AI enhancements like AI Eraser 2.0, AI Unblur, AI Reflection Remover, and AI Clarity Enhancer.
Durability is a hallmark, with IP66 (dust-tight and water-resistant against high-pressure jets), IP68 (submersion up to 1.5m for 30 minutes), and IP69 (high-temperature, high-pressure water resistance) ratings. This allows users to capture photos and videos underwater without a case.
The software suite, ColorOS 15, includes Trinity Engine for optimized performance, AI VoiceScribe (transcribes and translates in 29 languages), AI Call Assistant (real-time translation in 9 Indian languages), and OPPO Docs powered by Gemini AI for document summarization and rewriting. Oppo promises 2 years of OS updates and 3 years of security patches for all models.
Oppo F31 5G: The Affordable Powerhouse
Targeted at budget-conscious buyers, the base model offers solid performance for everyday tasks. It features a MediaTek Dimensity 6300 (6nm) chipset with 2x Cortex-A76 cores at 2.4GHz and 6x Cortex-A55 cores at 2.0GHz, paired with a Mali-G57 MC2 GPU. RAM can be expanded virtually up to 24GB via RAM extension.
- Display: 6.5-inch full-HD+ (2,372×1,080 pixels) AMOLED panel with 120Hz refresh rate, 240Hz touch sampling, 93% screen-to-body ratio, AGC DT-Star D+ protection, and 600 nits peak brightness. It supports 1.07 billion colors and 100% DCI-P3/sRGB gamut.
- Camera Setup: Single 50MP rear (f/1.8, 76° FOV, autofocus) with OIS; 16MP front (f/2.4, 85° FOV). Supports underwater modes and AI photo editing.
- Battery & Charging: 7,000mAh with 80W SuperVOOC.
- Build & Other: 187g weight, 7.9mm thick; under-display fingerprint sensor; Wi-Fi 6, Bluetooth 5.4; vapor chamber cooling (4,000mm² area).
- Colors: Midnight Blue, Cloud Green, Bloom Red.
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Pricing:
| Variant | Price (₹) |
|---|---|
| 8GB RAM + 128GB | 22,999 |
| 8GB RAM + 256GB | 24,999 |
Oppo F31 Pro 5G: Balanced Performance with Pro Features
Stepping up, the F31 Pro introduces a more powerful MediaTek Dimensity 7300 Energy (4nm) SoC with 4x Cortex-A78 at 2.5GHz and 4x Cortex-A55 at 2.0GHz, plus Mali-G615 MC2 GPU. It supports up to 24GB RAM (12GB physical + 12GB virtual) and UFS 3.1 storage for faster speeds.
- Display: 6.5-inch full-HD+ (2,372×1,080 pixels) AMOLED with adaptive 120Hz refresh rate, 397ppi density, and 100% DCI-P3/sRGB coverage.
- Camera Setup: 50MP main (f/1.8, OIS) + 2MP monochrome portrait; 32MP front (f/2.4). Enhanced AI tools and 4K front/rear video.
- Battery & Charging: 7,000mAh with 80W SuperVOOC.
- Build & Other: 190-191g, 7.9mm thick (Desert Gold/Space Grey variants); side-mounted fingerprint; 5,219mm² SuperCool VC cooling system; Wi-Fi 6, Bluetooth 5.4.
- Colors: Desert Gold, Space Grey.
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Pricing:
| Variant | Price (₹) |
|---|---|
| 8GB RAM + 128GB | 26,999 |
| 8GB RAM + 256GB | 28,999 |
| 12GB RAM + 256GB | 30,999 |
Oppo F31 Pro+ 5G: The Flagship Contender
The top-tier model packs a Qualcomm Snapdragon 7 Gen 3 (4nm) with 1x Cortex-A715 at 2.63GHz, 3x at 2.4GHz, 4x Cortex-A510 at 1.8GHz, and Adreno 720 GPU. It includes Qualcomm AI Engine and supports up to 24GB RAM with UFS 3.1 storage.
- Display: Larger 6.8-inch full-HD+ (2,800×1,280 pixels) BOE AMOLED with 120Hz refresh, 240Hz touch sampling, 93.5% screen-to-body ratio, 453ppi, 600 nits brightness, and 100% DCI-P3/sRGB.
- Camera Setup: 50MP main (f/1.8, OIS, 76° FOV) + 2MP monochrome; 32MP front (f/2.4, 85° FOV). Advanced AI suite and 4K recording.
- Battery & Charging: 7,000mAh with 80W SuperVOOC.
- Build & Other: 195g, 7.7mm thick; in-display fingerprint; 5,219mm² vapor chamber; Wi-Fi 6, Bluetooth 5.4.
- Colors: Gemstone Blue, Himalayan White, Festive Pink.
Pricing:
| Variant | Price (₹) |
|---|---|
| 8GB RAM + 256GB | 32,999 |
| 12GB RAM + 256GB | 34,999 |
Availability and Launch Offers
The Oppo F31 Pro 5G and F31 Pro+ 5G will hit the shelves starting September 19, 2025, while the Oppo F31 5G follows on September 27, 2025. Consumers can purchase them from Oppo’s official website, Flipkart, Amazon, and offline retail stores across India.
To sweeten the deal, Oppo is offering a 10% instant discount (up to ₹2,699) on select bank cards (HDFC, SBI, ICICI). Additional perks include no-cost EMI options, exchange bonuses up to ₹3,000, and bundle deals on Oppo accessories like earbuds or chargers. Early bird buyers on e-commerce platforms may also snag limited-time gifts.
What Makes the F31 Series Stand Out?
In a market flooded with slim flagships, Oppo’s F31 series flips the script by prioritizing battery life and ruggedness without compromising on modern features. The integration of AI across photography, calls, and productivity tools positions these devices as smart companions for India’s multilingual, on-the-go users. With prices under ₹35,000, they offer premium value, especially for those needing reliable performance in harsh environments.
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