Oppo F31 takes a practical route in the mid-range segment: big endurance, modern 5G support, and strong durability instead of headline-chasing extras. With a ₹24,999 price point, it is aimed at users who want dependable all-day performance.
The combination of a 120Hz AMOLED display, Dimensity 6300 chipset, and a 7000mAh Si/C battery gives it a clear identity. Rather than trying to be everything, the F31 focuses on everyday usability and staying power.
Full Specifications
Network
| Technology: | GSM / HSPA / LTE / 5G |
| 2G bands: | GSM 850 / 900 / 1800 / 1900 |
| 3G bands: | HSDPA 900 / 2100 |
| 4G bands: | 1, 3, 5, 8, 19, 28, 38, 40, 41, 42, 48 |
| 5G bands: | 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA |
| Speed: | HSPA, LTE, 5G |
Launch
| Announced: | 2025, September 17 |
| Status: | Available. Released 2025, September 27 |
Body
| Dimensions: | 158.2 x 75 x 8 mm (6.23 x 2.95 x 0.31 in) |
| Weight: | 185 g (6.53 oz) |
| SIM: | Nano-SIM + Nano-SIM |
| IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions |
Display
| Type: | AMOLED, 1B colors, 120Hz, 600 nits (typ), 1400 nits (HBM) |
| Size: | 6.57 inches, 105.0 cm2 (~88.5% screen-to-body ratio) |
| Resolution: | 1080 x 2372 pixels (~397 ppi density) |
| Protection: | AGC DT-Star D+ |
Platform
| OS: | Android 15, ColorOS 15 |
| Chipset: | Mediatek Dimensity 6300 (6 nm) |
| CPU: | Octa-core (2×2.4 GHz Cortex-A76 & 6×2.0 GHz Cortex-A55) |
| GPU: | Mali-G57 MC2 |
Memory
| Card slot: | microSDXC |
| Internal: | 128GB 8GB RAM, 256GB 8GB RAM |
| UFS 2.2 |
Main Camera
| Dual: | 50 MP, f/1.8, (wide), PDAF Auxiliary lens |
| Features: | LED flash, HDR, panorama |
| Video: | 1080p@30/60/120fps |
Selfie camera
| Single: | 16 MP, f/2.4, (wide) |
| Features: | Panorama |
| Video: | 1080p@30fps |
Sound
| Loudspeaker: | Yes, with stereo speakers |
| 3.5mm jack: | No |
Comms
| WLAN: | Wi-Fi 802.11 a/b/g/n/ac, dual-band |
| Bluetooth: | 5.4, A2DP, LE, aptX HD |
| Positioning: | GPS, GALILEO, GLONASS, BDS, QZSS |
| NFC: | No |
| Radio: | Unspecified |
| USB: | USB Type-C 2.0, OTG |
Features
| Sensors: | Fingerprint (under display, optical), accelerometer, proximity, compass |
Battery
| Type: | Si/C Li-Ion 7000 mAh |
| Charging: | 80W wired, 33W PPS, 13.5W PD Reverse wired charging |
Misc
| Colors: | Midnight Blue, Bloom Red, Cloud Green |
| Models: | CPH2781 |
| SAR: | 1.18 W/kg (head) 0.81 W/kg (body) |
| Price: | ₹ 24,999 |
Price and Availability
The Oppo F31 offers a compelling combination of features and performance. While the base price is around ₹24,999, the actual cost may vary depending on your location and retailer. Below, you’ll find the approximate price of the Oppo F31 converted into various currencies. Please note that these are estimates based on recent exchange rates as of April 12, 2026 and may not reflect the exact price you’ll find at a retailer.
- United States: $269
- Japan: ¥42,924
- United Kingdom: £201
- Australia: A$381
- Canada: C$373
- Taiwan: NT$8,555
- Denmark: kr1.719
- Saudi Arabia: ﷼1,009
- South Korea: ₩398,754
- Germany: €230
- Brazil: R$1.363
- Vietnam: ₫7.076.002
- Kenya: KSh 34,794
- India: ₹24,999
- Indonesia: Rp 4.592.784
- Nigeria: ₦368,200
- Pakistan: ₨75,470
- Philippines: ₱16,127
- Bangladesh: ৳৩৩,১৬১
Value Positioning at ₹24,999
At this price, the Oppo F31 stands out by prioritizing battery capacity and durability over flashy spec-sheet tricks. That makes it a strong option for buyers comparing practical ownership value, especially if charging anxiety is a top concern.
Design and Build Focus
The phone keeps a manageable profile for its battery class at 185 g and 8 mm thickness. IP68/IP69 protection and MIL-STD-810H compliance add confidence for rough daily handling, though it should still be treated as a regular smartphone, not a rugged device.
Display Quality for Daily Viewing
The 6.57-inch AMOLED panel with 120Hz refresh rate delivers smooth navigation and richer contrast than typical LCD alternatives. With up to 1400 nits HBM brightness, outdoor readability is more competitive than many phones in the same bracket.
Performance and Storage Experience
Dimensity 6300 with 8GB RAM is tuned for stable day-to-day multitasking, social apps, streaming, and light-to-moderate gaming. UFS 2.2 storage keeps app loading reasonable, and microSD support is a practical advantage for users with growing media libraries.
Camera Output in Real Use
The 50MP main camera should satisfy users who prioritize straightforward daylight shots and social-ready images. Video support up to 1080p at 120fps is useful for smooth clips, but the setup is clearly more about consistency than camera versatility.
Battery and Charging Advantage
The 7000mAh Si/C battery is the defining feature, offering clear endurance benefits over typical 5000mAh class phones. 80W wired charging reduces downtime, while reverse wired charging adds utility when topping up accessories or another phone in an emergency.
Software and User Experience
Android 15 with ColorOS 15 brings a current software base and OPPO’s feature-rich interface style. For buyers comparing longevity, the missing piece is long-term update policy clarity, so software support expectations should be checked before purchase.
Connectivity and Everyday Convenience
Broad 5G SA/NSA support, dual-band Wi-Fi ac, and Bluetooth 5.4 with aptX HD make the F31 well-equipped for modern wireless use. Stereo speakers help media consumption, while the lack of NFC and 3.5mm jack may matter for some payment and audio habits.
Who Should Buy the Oppo F31?
This phone fits users who want a battery-first 5G device with solid screen quality and dependable core performance. If your priority is balanced daily use, durability credentials, and fewer charging breaks, the F31 is an easy shortlist candidate.
Conclusion
Oppo F31 is best viewed as an endurance-focused mid-range phone that gets the essentials right. If you value battery life, durability, and a smooth AMOLED experience more than advanced camera flexibility, it is a strong recommendation.
