The OPPO A11 is a budget phone with quad cameras from 2019. Now, it appears it has a successor destined for markets such as that of Thailand (and also possibly Indonesia). However, it seems this phone is, if anything, even more low-end than the existing modei.
https://www.notebookcheck.net/Thailand-s-NBTC-regulator-approves-the-OPPO-A12.458611.0.html