The Samsung Galaxy S21 is a high-end smartphone that features a 6.2-inch Dynamic AMOLED display with a resolution of 2400 x 1080 pixels. It is powered by a Samsung Exynos 2100 processor and comes with 8GB of RAM and 128GB of storage. The phone has a triple rear camera system, including a 12MP main camera, and a 10MP front-facing camera for high-quality selfies. It also has 5G connectivity, an in-display fingerprint sensor, and a long-lasting battery life that provides up to 21 hours of talk time. The Samsung Galaxy S21 runs on Android 11 with Samsung's One UI 3.1, and comes with a range of advanced features and capabilities.