The Oppo A15 runs ColorOS 7.2 is based on Android 10 and packs 32GB of inbuilt storage that can be expanded via microSD card (up to 256GB). The Oppo A15 is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. The Oppo A15 measures 164.00 x 75.00 x 8.00mm (height x width x thickness) and weighs 175.00 grams. It was launched in Dynamic Black and Mystery Blue colours. Connectivity options on the Oppo A15 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5.00, Micro-USB, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, proximity sensor, and fingerprint sensor. The Oppo A15 supports face unlock.