Oppo A3s The phone comes with a 6.20-inch touchscreen display with a resolution of 720x1520 pixels and an aspect ratio of 19:9. Oppo A3s is powered by a 1.8GHz octa-core Snapdragon 450 processor. It comes with 2GB of RAM. The Oppo As runs Android 8.1 Oreo and is powered by a 4,230mAh battery. As far as the cameras are concerned, the Oppo A3s on the rear packs a 13-megapixel primary camera with an f/2.2 aperture and a second 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 8-megapixel camera on the front for selfies, with an f/2.2 aperture. The Oppo A3s runs ColorOS 5.1 based on Android 8.1 Oreo and packs 16GB of inbuilt storage that can be expanded via microSD card (up to 256GB). Connectivity options on the Oppo A3s include Wi-Fi, GPS, Bluetooth v4.20, and Micro-USB. Sensors on the phone include accelerometer, proximity sensor, and compass/ magnetometer. The Oppo A3s measures 156.20 x 75.60 x 8.20mm (height x width x thickness) and weighs 168.00 grams. It was launched in Red and Dark Purple colours.