Samsung Galaxy S21 mobile was launched on 14th January 2021. The phone comes with a 6.20-inch touchscreen display with a resolution of 1080×2400 pixels at a pixel density of 421 pixels per inch (PPI) and an aspect ratio of 20:9. Samsung Galaxy S21 is powered by a 2.2GHz octa-core Samsung Exynos 2100 processor that features 3 cores clocked at 2.8GHz, 4 cores clocked at 2.2GHz and 1 core clocked at 2.9GHz. It comes with 8GB of RAM. The Samsung Galaxy S21 runs Android 11 and is powered by a 4000mAh battery. The Samsung Galaxy S21 supports wireless charging, as well as proprietary fast charging.
As far as the cameras are concerned, the Samsung Galaxy S21 on the rear packs a triple camera setup featuring a 12-megapixel primary camera with an f/1.8 aperture and a pixel size of 1.8-micron; a 12-megapixel camera with an f/2.2 aperture and a pixel size of 1.4-micron, and a 64-megapixel camera with an f/2.0 aperture and a pixel size of 0.8-micron. The rear camera setup has autofocus. It has a single front camera setup for selfies, featuring a 10-megapixel sensor with an f/2.2 aperture and a pixel size of 1.22-micron.
Samsung is having a very busy period right now. Recently Samsung launched One UI 4.0. The One UI 4.0 based on Android 12 has been provided to many of its flagship smartphones.
Samsung now released the Android 12 (One UI 4.0) update to the Galaxy S21 lineup in the US with the November 2021 security patch update. The update is available on almost all US carriers, including AT&T, Bluegrass Cellular, Cellular South, Comcast, Sprint, Tracfone, and Xfinity Mobile. As per the report, this software update carries firmware numbers G99xU1UEU4BUK7 for the Galaxy S21, Galaxy S21+ and Galaxy S21 Ultra.
Owners of the Galaxy S21 can receive notification of this update. By chance you don’t receive an update notification then check the update manually by going to the device Settings >> Software updates >> Download and install.
Note: Before upgrading to the latest version make sure your smartphone is connected with a proper internet connection, we recommend you to download it over WIFI so that you will not face any error.