Oppo A12 smartphone comes with a 6.22-inch touchscreen display with a resolution of 720×1520 pixels. Oppo A12 is powered by an octa-core MediaTek Helio P35 (MT6765) processor. It comes with 3GB & 4GB of RAM. The Oppo A12 runs Android 9 and is powered by a 4230mAh non-removable battery. As far as the cameras are concerned, the Oppo A12 on the rear packs a 13-megapixel primary camera with an f/2.2 aperture and a pixel size of 1.12um-micron and a second 2-megapixel camera with an f/2.4 aperture. The rear camera setup has autofocus. It sports a 5-megapixel camera on the front for selfies, with an f/2.4 aperture and a pixel size of 1.12um-micron. The Oppo A12 runs ColorOS 6.1.2 based on Android 9 and packs 32GB & 64GB of inbuilt storages that can be expanded via microSD card (up to 256GB) with a dedicated slot. The Oppo A12 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Oppo A12 measures 155.90 x 75.50 x 8.30mm (height x width x thickness) and weighs 165.00 grams. It was launched in Black and Blue colours. It bears a polycarbonate body. Connectivity options on the Oppo A12 include Wi-Fi 802.11 a/b/g/n, GPS, Bluetooth v5.00, 3G, and 4G with active 4G on both SIM cards. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, gyroscope, proximity sensor, and fingerprint sensor.