Introduction
OPPO has launched its new OPPO F31 5G smartphone in India, targeting users who want strong performance, rugged durability, and excellent battery backup in the mid-range category. Known for stylish designs and reliable hardware, OPPO’s F-series has a loyal fan base, and the F31 continues that tradition with a few unique features. The highlight of this device is its massive 7,000 mAh battery, fast charging technology, and a tough body that makes it stand out among competitors.
OPPO F31 5G Specifications
| Feature | Details |
|---|---|
| Display | 6.5-inch AMOLED, Full HD+ (2372 × 1080), 120 Hz refresh rate |
| Processor | MediaTek Dimensity 6300 Energy (Octa-core) |
| RAM | Up to 8 GB (with RAM Expansion support) |
| Storage | 128 GB / 256 GB (UFS 2.2, expandable) |
| Rear Cameras | 50 MP (main) + 2 MP (depth) |
| Front Camera | 16 MP |
| Battery | 7,000 mAh |
| Charging | 80W Super VOOC fast charging |
| Operating System | ColorOS 15 based on Android 15 |
| Durability | 360° Armour Body, IP69 / IP68 / IP66 rated |
| Connectivity | 5G, 4G LTE, Wi-Fi, Bluetooth 5.3, USB-C |
| Colors | Midnight Blue, Cloud Green, Bloom Red |
| Dimensions & Weight | Approx. 158.2 × 75 × 8 mm, ~185g |
| Price (India) | ₹22,999 (8 GB + 128 GB) / ₹24,999 (8 GB + 256 GB) |
Display & Design
The OPPO F31 comes with a 6.5-inch AMOLED display offering Full HD+ resolution and a smooth 120 Hz refresh rate. Whether you’re gaming, scrolling social media, or streaming movies, the visuals feel fluid and vibrant.
In terms of design, OPPO has emphasized durability. The handset is built with a 360° Armour Body and carries IP69/IP68/IP66 certifications, making it resistant to dust, water splashes, and rough outdoor conditions. Despite its ruggedness, the phone looks stylish and is available in attractive color options like Midnight Blue, Cloud Green, and Bloom Red.
Performance & Software
Powering the OPPO F31 is the MediaTek Dimensity 6300 Energy chipset, an efficient processor designed to balance performance with battery life. It handles everyday tasks smoothly and can manage casual gaming without much trouble.
The phone offers up to 8 GB of RAM and either 128 GB or 256 GB of internal storage. OPPO has also included a RAM Expansion feature, which uses a portion of storage as additional memory when needed.
On the software side, it runs ColorOS 15 based on Android 15, giving users access to the latest customization options and security features. OPPO has committed to 2 years of Android updates and 3 years of security patches, ensuring decent long-term support.
Camera Setup
For photography, the OPPO F31 packs a 50 MP primary rear camera paired with a 2 MP depth sensor. While it doesn’t offer an ultra-wide or telephoto lens, the main camera captures sharp and detailed shots in daylight.
Selfie lovers get a 16 MP front camera, which performs well in bright environments and comes with AI beauty modes for social media-ready pictures.
Battery & Charging
The real showstopper is the 7,000 mAh battery — one of the largest in its segment. Most users can expect two days of usage on a single charge with moderate activity.
To top it off, OPPO has included 80W SuperVOOC fast charging, which means the phone can power up quickly despite the massive battery size. This combination makes it a reliable choice for travelers, gamers, and heavy users.
Pricing & Availability in India
- 8 GB + 128 GB variant → ₹22,999
- 8 GB + 256 GB variant → ₹24,999
The OPPO F31 5G is available across online and offline stores in India.
Pros of OPPO F31
✔️ Massive 7,000 mAh battery with 80W fast charging
✔️ Rugged design with IP69 protection
✔️ Smooth AMOLED display with 120 Hz refresh rate
✔️ Stylish color choices
✔️ Affordable pricing in mid-range segment
Cons of OPPO F31
❌ Average processor for heavy gamers
❌ Limited camera versatility (no ultra-wide lens)
❌ Slightly heavier due to big battery
❌ Only 2 years of OS updates promised
Who Should Buy the OPPO F31?
This phone is perfect for:
- Users who want long battery life and hate frequent charging
- Students and professionals who need a reliable daily driver
- Outdoor workers or travelers who require a durable device
- Anyone looking for 5G connectivity at a budget-friendly price
Final Verdict
The OPPO F31 5G is not about raw performance or high-end photography — instead, it focuses on endurance, durability, and value. With its huge battery, fast charging, solid display, and rugged design, it stands as one of the most reliable smartphones in the sub-₹25,000 category. If your top priorities are battery and build quality, the OPPO F31 is worth considering.
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