New Delhi [India], September 27: In celebration of India's vibrant festive season, OPPO announces the nationwide availability of the F31 Series 5G, engineered to handle both the everyday challenges and the season's special moments. The F31 Pro+ 5G and F31 Pro 5G are already available, with the stylish F31 5G joining the line-up starting September 27, 2025, priced at INR 22,999 across OPPO E-store, Flipkart, Amazon, and mainline retail outlets.