The Samsung Galaxy S21 is the base model of the Samsung S21 series. It features a 6.2-inch Dynamic AMOLED display with a resolution of 2400 x 1080 pixels. The phone is powered by the Exynos 2100 or Qualcomm Snapdragon 888 processor, depending on the region. It comes with up to 8GB of RAM and up to 256GB of internal storage. The S21 also features a triple-camera setup with a 12MP main camera, a 12MP ultra-wide camera, and a 64MP telephoto camera. It supports 8K video recording and has a 10MP front-facing camera for selfies. The phone runs on Samsung's One UI 3.1 based on Android 11 and is powered by a 4,000mAh battery with support for fast charging and wireless charging. It also supports 5G connectivity and comes with an IP68 rating for water and dust resistance.