Oppo has officially unveiled its F31 5G series in the Indian market, targeting users who demand reliable mid-range smartphones with robust performance capabilities. The company launched three distinct models: F31 Pro+, F31 Pro, and F31, each designed to withstand challenging conditions while delivering consistent performance.
The Chinese smartphone manufacturer specifically engineered these devices for Indian consumers, including shopkeepers and delivery professionals who require all-day functionality without performance degradation due to extreme weather conditions.
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Oppo claims the F31 series can operate efficiently in temperatures reaching up to 43 degrees Celsius. The phones feature a substantial 7,000mAh battery capacity, ensuring extended usage for professionals who depend on their devices throughout demanding workdays.
The F31 series will become available through multiple channels starting September 19, 2025. Customers can purchase these smartphones from offline retail stores, Oppo's official E-store, Flipkart, and Amazon.
The F31 Pro+ comes in Gemstone Blue and Festival Pink variants. The F31 Pro offers Desert Gold and Space Grey options, while the base F31 model is available exclusively in Midnight Blue.
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Early buyers can access attractive deals, including bank discounts, device exchange programs, and 180-day complimentary damage protection. Oppo also provides zero-interest EMI options and comprehensive device exchange programs to make purchases more affordable.
Oppo equipped the F31 series with comprehensive protection features, including a 360-degree Armour Body design, AM04-grade aluminum alloy structural frame, and AGC DT-Star D+ strengthened glass construction.
The smartphones carry triple standard certifications: IP66, IP68, and IP69 ratings. These certifications protect against dust infiltration, water submersion, and high-pressure hot water exposure up to 80 degrees Celsius.
The F31 Pro+ incorporates a 5,219 mm square vapour chamber cooling system. The Pro and base models utilise 4,363 mm square and 4,300 mm square chamber,s respectively, each enhanced with expanded graphite layers.
This sophisticated cooling architecture prevents thermal throttling during intensive usage, maintaining optimal performance even in extreme summer temperatures.
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All models support up to 24GB RAM (including virtual RAM expansion) and feature UFS 3.1 storage technology for faster data access.
Oppo introduced its Dual-Engine Smoothness System, combining the Trinity Engine with the Luminous Rendering Engine. The company promises "six zeros" performance: no lag, latency, flicker, crashes, mislaunch, or freezing during high-speed application switching.
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The series features two display configurations:
All models include under-display fingerprint sensors for secure authentication.
Each device houses a 7,000mAh battery supported by 80W SUPERVOOC Flash Charge technology. The system delivers up to 58 per cent charge within 30 minutes and achieves full charge in just over an hour. Additional features include reverse charging and bypass charging functionality.
The F31 series incorporates a 50-megapixel main camera sensor with Optical Image Stabilisation (OIS) technology. Oppo enhanced the photography experience with AI-powered tools, including AI Eraser 2.0, AI Unblur, and AI Clarity Enhancer.
For productivity applications, the phones offer AI VoiceScribe and OPPO Docs with Gemini AI integration, enabling seamless transcription, translation, and document management capabilities.
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