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) based December 2021 security patch update to the Galaxy S21 lineup. The update is available in some European countries at the time. As per the report, this software update carries firmware numbers G99xBXXS3BUL1 for the Galaxy S21, Galaxy S21+ and Galaxy S21 Ultra. If you’re facing some bugs and issues on Android 12 and One UI 4.0 even after the first two updates for your Galaxy S21 series phone, well, this one probably won’t fix them.
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.