OPPO A57 smartphone runs on Android v6.0 (Marshmallow) operating system. The phone is powered by Octa core, 1.4 GHz, Cortex A53 processor. It runs on the Qualcomm Snapdragon 435 MSM8940 Chipset. It has 3 GB RAM and 32 GB internal storage.

OPPO A57 smartphone has a IPS LCD display. It measures 149.1 mm x 72.9 mm x 7.6 mm and weighs 147 grams. The screen has a resolution of HD (720 x 1280 pixels) and 282 ppi pixel density. On camera front, the buyers get a 16 MP Front Camera and on the rear, there's an 13 MP camera with features like Digital Zoom, Auto Flash, Face detection, Touch to focus. It is backed by a 2900 mAh battery. Connectivity features in the smartphone include WiFi, Bluetooth, GPS, and more.