The Oppo F31 5G runs on Android 15 (ColorOS) and features a 120Hz AMOLED display. Feature Specification Display 6.57-inch FHD+ (2372 × 1080 pixels) AMOLED, 120Hz refresh rate Processor Octa-core MediaTek Dimensity 6300 RAM 8GB Storage 128GB or 256GB (expandable via microSD) Rear Camera 50MP main (f/1.8) + 2MP monochrome (f/2.4) Front Camera 16MP (f/2.4) Battery 7000mAh (Typical) Charging 80W wired fast charging