Samsung Galaxy M21 comes with 6.4 inches Full HD+ Super AMOLED screen. It has a Full-View waterdrop notch design. The front side is protected by a 3rd generation Gorilla Glass. The back camera is of triple 48+8+5 MP with PDAF, LED flash, depth sensor, ultrawide etc. and UHD 4K video recording. The front camera is of 20 MP. Samsung Galaxy M21 comes with 6000 mAh huge battery with 15W fast charging. It has 4 GB RAM, 2.3 GHz octa-core CPU and Mali-G72 MP3 GPU. It is powered by Exynos 9611 (10nm) chipset. The device comes with 64 GB UFS 2.1 internal storage and dedicated MicroSD slot. There is a back-mounted fingerprint sensor in this phone.