Oppo A57 5G, latest Oppo Smartphone Model, Specifications, Features, Price April 14, 2022 Oppo A57 is the latest model from Oppo mobiles having 6.56 inches IPS LCD Display, 186 grams weight, 8mm thickness. Oppo A57 has an Android 12 (Color OS 12.1) operating system. There is 128 GB Internal storage/memory of Oppo A5…