OPPO A57 ₹ 13,850 Camera: 13-megapixel RAM: 3GB ROM: 32GB (Expandable up to 256GB) Display: 5.2 inches OS: ColorOS 3.0, based on Android 6.0 Processor: MT6750 Octa-core 64-bit Battery: Typical Capacity 2900 mAh (Non-removable)