The Oppo A33 (2020) 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 A33 (2020) is a dual-SIM (GSM and GSM) smartphone that accepts Nano-SIM and Nano-SIM cards. It was launched in Moonlight Black and Mint Cream colours. Connectivity options on the Oppo A33 (2020) include Wi-Fi, GPS, 3G, and 4G (with support for Band 40 used by some LTE networks in India). Sensors on the phone include fingerprint sensor.