New Delhi, 11 September 2025 – OPPO India is ready to unveil the much-anticipated OPPO F31 Series on 15 September 2025. This new lineup introduces three powerful mid-range smartphones specifically optimized for India’s climate, capable of performing flawlessly even at 43°C extreme heat. Built for traders, gig-economy workers, shopkeepers, and young professionals, the F31 Series delivers unmatched durability, long-lasting battery life, and stable system fluency.
Table of contents
Addressing the Biggest Smartphone Challenges
A Counterpoint Research survey highlights the three most common issues smartphone users face:
- Overheating (41%)
- Battery problems (32%)
- Accidental damage (32%)
The OPPO F31 Series tackles these pain points directly with:
- Advanced thermal management powered by enlarged vapour chambers
- A 7,000 mAh battery with 80W SuperVOOC fast charging
- 360° Armour Body with multi-layer shock absorption and IP69/IP68/IP66 ratings for protection against dust, water, and accidental drops
The series has also received A+ SGS Certification for High-Temperature Fluency, confirming stable frame rates, responsive touch, and smooth animations under heavy workloads.
Performance and Thermal Design
OPPO F31 Pro+
- Processor: Qualcomm Snapdragon 7 Gen 3
- CPU: 2.63GHz Cortex-A715 Prime + 3x Cortex-A715 performance cores + 4x Cortex-A510 efficiency cores
- GPU: Adreno 720
- RAM: Up to 24GB (12GB physical + 12GB virtual)
- Storage: UFS 3.1
- Vapour chamber: 5,219 mm² (856 mm² larger than previous generation)
This design enhances thermal dissipation, ensuring smoother performance even during long gaming or professional workloads.
OPPO F31 Pro
- Processor: MediaTek Dimensity 7300-Energy (4nm)
- CPU: 4x Cortex-A78 @ 2.5GHz + 4x Cortex-A55 efficiency cores
- GPU: Mali-G615 MC2
- RAM: Up to 24GB
- Vapour chamber: 4,363 mm² + expanded graphite sheets
Optimized for sustained efficiency, it provides balanced performance for multitasking and entertainment.
OPPO F31
- Processor: MediaTek Dimensity 6300 (6nm)
- CPU: 2x Cortex-A76 @ 2.4GHz + 6x Cortex-A55
- GPU: Mali-G57 MC2
- Vapour chamber: 4,300 mm² with extended graphite coverage
Delivers 21% better thermal efficiency over the previous model, ensuring reliable daily performance.
ColorOS 15: Engineered for Smoothness
All three devices run on ColorOS 15, powered by OPPO’s Dual-Engine Smoothness System:
- Trinity Engine: Real-time CPU management reduces unnecessary spikes, improving smoothness by 22% and reducing installation time by 26%.
- Luminous Rendering Engine: The first parallel animation system in Android, designed to eliminate stutter during app switching.
Together, these engines deliver “six zeros” performance:
- No lag
- No latency
- No flicker
- No crash
- No mislaunch
- No freeze
The 72-Month Fluency Protection 2.0 ensures six years of smooth operation with storage defragmentation, intelligent pre-loading, and improved touch responsiveness.
AI Productivity Features for Professionals
The F31 Series is not just about power – it’s about intelligent productivity:
- AI VoiceScribe: Records meetings and calls with real-time translation, subtitles, and summaries in over 29 languages.
- AI Call Assistant: Enables real-time translation during calls using Google Gemini AI.
- OPPO Docs: Summarizes, rewrites, or translates content instantly.
- AI Notes Assistant: Corrects errors, restructures messy notes, and adjusts tone.
- Scan Document Tool: Converts images into editable PDFs with perspective correction.
Outdoor Mode 2.0 for Gig Workers
Specifically designed for delivery riders and field workers, Outdoor Mode 2.0 brings:
- Smart Quick Launch for instant access to delivery apps
- Clear Voice Algorithms for enhanced call clarity in noisy streets
- Order Rush Boost to prioritize rider apps for faster network performance
- App Keep-Alive to ensure navigation and delivery apps remain active in the background
- Screen-on Extension up to 5 minutes for uninterrupted outdoor use
Camera Systems Optimized for All Conditions
OPPO F31 Pro+ and F31 Pro
- 50MP main camera (OV50D40 sensor, f/1.8) with two-axis OIS
- 2MP monochrome sensor
- 32MP front camera
OPPO F31
- 50MP primary sensor
- Dual 2MP portrait lenses
- 16MP front camera (IMX480 sensor)
Shared Features
- 4K video recording @30fps
- Dual-View Video and Snapshot Mode
- 4K underwater photography (up to 1.5m depth for 30 minutes, thanks to IP68 rating)
- AI Imaging Engine with 4-in-1 pixel binning, HDR, AI Portrait tuning
- AI Editing Tools: AI Eraser 2.0, AI Unblur, Reflection Remover, Perfect Shot, and Clarity Enhancer
Battery and Charging: Built for All-Day Power
- 7,000 mAh battery across all models
- 80W SuperVOOC charging:
- 0–58% in 30 minutes
- Full charge in just over 1 hour
- Reverse wired charging turns phone into a power bank
- Bypass charging mode reduces heat during gaming
- Smart thermal charging adapts between 0°C to 43°C, with pre-heating for sub-zero conditions
Availability in India
The OPPO F31 Series – including the F31 Pro+, F31 Pro, and F31 – will be officially available from 15 September 2025. Storage options and pricing will be revealed at launch. With its rugged durability, AI-powered productivity tools, advanced imaging, and massive battery, the series is poised to become the ultimate mid-range smartphone lineup for India’s young professionals and workers.