Oppo has revealed the A57 5G, a CNY 1,500 (~US$236) handset that has a large display and a MediaTek Dimensity 810 chipset. The Oppo A57 5G is orderable in China with three colour options, two memory configurations and ColorOS 12.1 based on Android 12.
https://www.notebookcheck.net/Oppo-A57-5G-New-mid-range-smartphone-introduced-with-a-90-Hz-display-and-a-Dimensity-810-chipset-for-CNY-1-500-US-236.613861.0.html