Samsung Galaxy M21s is a good mid-range smartphone. Samsung Galaxy M21s specs are a 6.4-inch AMOLED display. A 2.3GHz Octa-Core Exynos 9611 processor runs it with the help of a 4GB RAM. Samsung Galaxy M21s has a 64GB of internal storage expandable to 1TB using a microSD card. Samsung Galaxy M21s has a 64MP + 8MP + 5MP Triple Rear Camera and a 32MP Front camera for selfies. A 6000 mAh Battery powers Samsung Galaxy M21s.