Oppo A33 runs Color OS 2.1 is based on Android 5.1 and packs 16GB of inbuilt storage that can be expanded via microSD card (up to 128GB). The Oppo A33 is a dual-SIM (GSM and GSM) mobile that accepts Micro-SIM and Nano-SIM cards. The Oppo A33 measures 142.70 x 71.70 x 7.55mm (height x width x thickness) and weighs 146.00 grams. It was launched