Full OPPO F31 specifications, massive 7000mAh battery, 80W SUPERVOOC Flash Charge, smooth and powerful with 72-Month Fluency Protection, AI-powered, IP69/68/66, and more. OPPO F31 Series 5G supports IP69 waterproof and dustproof rating, which can prevent water, and dust in normal use. Under controlled laboratory conditions, it has been tested to meet the IP69, IP68, IP66 level according to IEC 60529-2013 standards. Oppo has launched its F31 series in India, including the F31 5G, F31 Pro 5G, and F31 Pro+ 5G. All models feature a 7,000mAh battery, 50MP OIS camera, ColorOS 15, AI tools, and IP66-69 ratings. Oppo has launched its F31 5G series in India with three models: the Oppo F31, Oppo F31 Pro, and Oppo F31 Pro+. All three devices pack a massive 7,000mAh battery, a 50MP OIS-enabled rear camera, and are built to endure extreme outdoor conditions, functioning even in heat up to 43°C.