The phone comes with a 6.5 inch touchscreen display with a resolution of 720×1600 pixels. Samsung Galaxy A21s is powered by a 2GHz octa-core Samsung Exynos 850 processor. The Samsung Galaxy A21s runs Android 10 and is powered by a 5000mAh non-removable battery. The Samsung Galaxy A21s features a total 5 cameras, the 4 main cameras, 48MP (wide), 8MP (ultrawide), 2MP (macro), 2MP (depth). The 13MP selfie camera, will give you better quality selfies.