Samsung Galaxy A21s is a mid-range Android smartphone designed, developed, marketed, and manufactured by Samsung Electronics as part of its Galaxy A series. The A21s line consists of SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M and SM-A217M/DS. Key upgrades over the previous model, the Samsung Galaxy A20s, include the new Exynos 850 chipset ...