Oppo A57 China To Global Firmware May 2026

The Oppo A57 was initially designed for the Chinese market, where it was launched on December 13, 2016. The phone boasted a 5.7-inch HD display, a 13-megapixel rear camera, and a 16-megapixel front camera. It was powered by a Qualcomm Snapdragon 435 processor, paired with 3GB of RAM and 32GB of internal storage. The device ran on ColorOS 3.2, a customized version of Android 6.0 (Marshmallow), which was specifically designed for Oppo devices.