https://wccftech.com/samsung-galaxy-a21s-is-a-budget-device-with-exynos-850-and-quad-cameras/

Samsung launched the Galaxy A21 a few days ago. Even though the device is not globally available in the market, it seems that the company is working on another variant. As the leak suggests, the Galaxy A21s is an upgraded version of the original Galaxy A21.

For those who are not familiar, Samsung uses the "s" letter for its A series of devices and they are the upgraded versions of the original devices that the company releases. The Galaxy A21s is a budget device through and through.