The mid-range smartphone market in India is fiercely competitive, but one device has managed to stand out as a true “Durable Champion” in early 2026. The OPPO F31 5G, along with its Pro siblings, has redefined what users expect from a stylish phone by adding extreme toughness and a massive battery.
Launched with a focus on longevity, the OPPO F31 5G is currently one of the most talked-about phones for users who want a device that survives dust, water, and heavy daily usage without needing a charger by afternoon. If you are planning to buy a new 5G phone under ₹25,000, here is everything you need to know about the OPPO F31 5G, its real-world price, and why it is trending.
Why is the OPPO F31 5G Trending?
The primary reason for the OPPO F31‘s massive popularity is its “Durable Champion” tag. Unlike previous F-series phones that focused mainly on slim designs and selfies, the F31 series brings rugged-level protection to a mainstream phone.
- Massive 7000mAh Battery: This is a game-changer. Most phones offer 5000mAh, but the F31 packs a 7000mAh cell, easily lasting two days for moderate users.
- Triple Rugged Rating (IP66, IP68, IP69): It is not just water-resistant; it is built to withstand high-pressure water jets and full submersion. This makes it perfect for Indian weather conditions, including heavy monsoons and dust.
- 360° Armour Body: The phone is reinforced to survive accidental drops, which is a huge plus for daily commuters.
OPPO F31 5G: Key Specifications at a Glance
The base model OPPO F31 5G balances performance and price perfectly.
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1. Display and Design
The phone features a 6.57-inch AMOLED display with a 120Hz refresh rate. Even with the massive battery, OPPO has managed to keep the phone relatively sleek (approx 8.8mm thickness). It comes in three premium colors: Midnight Blue, Cloud Green, and Bloom Red. The screen brightness peaks at 1400 nits, making it readable even under direct sunlight.
2. Performance and Software
Under the hood, the F31 5G is powered by the MediaTek Dimensity 6300 processor. While this is a mid-range chipset, it is optimized for efficiency and handles daily multitasking and casual gaming smoothly. It runs on ColorOS 15 (based on Android 15), offering smooth animations and new AI features.
3. Camera Capabilities
OPPO never compromises on cameras. The F31 5G sports a 50MP primary rear camera paired with a 2MP portrait lens. It supports 4K video recording and comes with OPPO’s signature AI Eraser 2.0 and AI Portrait retouching. For selfies, there is a capable 16MP front camera that delivers sharp social-media-ready photos.
4. Battery and Charging
As mentioned, the 7000mAh battery is the hero feature. It supports 80W SuperVOOC flash charging, which can juice up this massive battery from 1% to 55% in just about 30 minutes.
OPPO F31 Price in India (February 2026)
As of February 2026, the OPPO F31 5G is available on Flipkart, Amazon, and offline retail stores. The pricing remains aggressive for the features offered.
- 8GB RAM + 128GB Storage: ₹22,999
- 8GB RAM + 256GB Storage: ₹24,999
If you have a higher budget, you can look at the OPPO F31 Pro 5G (starting ~₹26,999) or the F31 Pro+ 5G (starting ~₹32,999), which offer faster processors (Dimensity 7300 and Snapdragon 7 Gen 3 respectively) and better camera setups.
Verdict: Should You Buy It?
The OPPO F31 5G is an excellent choice for students, field professionals, and anyone who hates carrying a power bank. It is not a gaming beast, but for reliable daily use, media consumption, and photography, it is a solid package. The combination of a 7000mAh battery and IP69 water resistance at ₹23,000 makes it a unique offering in the Indian market.
Frequently Asked Questions (FAQs)
Q1: Is the OPPO F31 5G waterproof?
Yes, the OPPO F31 5G comes with IP66, IP68, and IP69 ratings. This means it is resistant to dust, high-pressure water jets, and can even withstand being submerged in water.
Q2: How long does the OPPO F31 battery last?
With its huge 7000mAh battery, the phone can easily last up to 2 days with normal usage (calls, social media, videos). Even heavy users can get more than a full day of battery life.
Q3: Does the OPPO F31 support 5G in India?
Yes, the OPPO F31 is a fully 5G-ready smartphone and supports all major 5G bands used by Jio and Airtel in India.
Q4: What is the difference between F31 and F31 Pro?
The main differences are the processor and charging speed. The F31 runs on Dimensity 6300, while the F31 Pro uses the more powerful Dimensity 7300 Energy chipset. The Pro model also has slightly better camera features.
Q5: Does the box include a charger?
Yes, OPPO includes the 80W SuperVOOC charger and a USB Type-C cable inside the box.
