The Samsung Galaxy S21 phone was released on January 14, 2021. The phone comes with a 6.20-inch touchscreen with a resolution of 1080x2400 pixels with a pixel density of 421 pixels per inch (ppi) and a 20:9 aspect ratio. The Samsung Galaxy S21 is powered by a Samsung Exynos 2100 2100 2.2GHz processor that features 3 cores clocked at 2.8GHz, 4 cores clocked at 2.2GHz and 1 core clocked at 2.9GHz. Comes with 8GB of RAM. The Samsung Galaxy S21 has Android 11 and is powered by a 4000mAh battery. The Samsung Galaxy S21 supports wireless charging as well as owner fast charging. With regard to cameras, the Samsung Galaxy S21 on the back packs a triple camera configuration with a 12-megapixel primary camera with an f/1.8 aperture and a 1.8 micron-sized pixel; a 12-megapixel camera with f/2.2 aperture and a 1.4 micron pixel, and a 64 megapixel camera with an f/2.0 aperture and a 0.8 micron-sized pixel. The rear camera configuration has auto focus. It has a single front camera setting for selfies, with a 10-megapixel sensor with an f/2.2 aperture and a pixel size of 1.22 micron. The Samsung Galaxy S21 runs the One UI 3.1 is based on Android 11 and packs 256 GB of built-in storage. The Samsung Galaxy S21 is a dual-SIM (GSM and GSM) phone that accepts Nano-SIM and Nano-SIM cards. The Samsung Galaxy S21 meters 151.70 x 71.20 x 7.90mm (height x width x thickness) and weighs 171.00 grams. It was released with the color Phantom Violet. It has an IP68 rating for dust and water protection. Connectivity options on the Samsung Galaxy S21 include Wi-Fi 802.11 a/b/g/n/ac/Yes, GPS, Bluetooth v5.00, NFC, USB Type-C, 3G and 4G (with support for the Band 40 used by some LTE networks in India). Sensors on the phone include accelerometer, ambient light sensor, barometer, compass/magnetometer, gyroscope, proximity sensor and on-screen fingerprint sensor. The Samsung Galaxy S21 supports facial unlocking.