OPPO A9 smartphone runs on Android v9.0 (Pie) operating system. The phone is powered by Octa core (2.1 GHz, Quad core, Cortex A73 + 2 GHz, Quad core, Cortex A53) processor. It runs on the MediaTek Helio P70 Chipset. It has 4 GB RAM and 128 GB internal storage.OPPO A9 smartphone has a IPS LCD display. It measures 162 mm x 76.1 mm x 8.3 mm and weighs 190 grams. The screen has a resolution of 1080 x 2340 pixels and 395 ppi pixel density. It has an aspect ratio of 19.5:9 and screen-to-body ratio of 84.72 %. On camera front, the buyers get a 16 MP f/2.0 Primary Camera(3.1" sensor size, 1µm pixel size) and on the rear, there's an 16 MP + 2 MP camera with features like Digital Zoom, Auto Flash, Face detection, Touch to focus. It is backed by a 4020 mAh battery. Connectivity features in the smartphone include WiFi, Bluetooth, GPS, Volte, and more.