Specs-wise, the device is powered by a Snapdragon 410 SoC with quad-core 1.2GHz CPU and Adreno 306 GPU, and sports a 5-inch 720p screen, which uses an IPS panel. It comes with 2GB RAM and 16GB expandable internal memory, and packs in a 2,420mAh battery.
The Oppo A51 features an 8MP rear unit and a 5MP front shooter. It runs Android 5.1 with Color OS 2.1 on top. Connectivity options include 4G LTE, Wi-Fi, Bluetooth, microUSB, as well as dual SIM support.