The Samsung Galaxy S21 5G marks a significant evolution from its predecessor, the Galaxy S20 series. One of the most notable changes is the design; the S21 features a more streamlined and modern aesthetic with a plastic back instead of glass, making it lighter and more durable while still maintaining a premium look. The camera module has been integrated into the chassis, giving it a unique contour design.In terms of display, the Galaxy S21 boasts a 6.2-inch Dynamic AMOLED 2X display with a resolution of 2400 x 1080 pixels, slightly smaller than the S20's 6.2-inch display but now features a flatter design that enhances usability. The refresh rate has been upgraded to an adaptive 120Hz, providing an even smoother scrolling experience while preserving battery life.The camera system has also been enhanced, with a triple-lens setup that includes a 12MP ultra-wide, a 12MP wide, and a 64MP telephoto lens. Improved software algorithms and new features, such as Director’s View and Single Take mode, provide users with more flexibility and creativity in photography. The front camera is also upgraded to a 10MP sensor for sharper selfies.Battery capacity has been slightly reduced to 4000mAh, but with improved efficiency and adaptive battery management, users can expect similar or better battery life compared to the S20. The Galaxy S21 supports 25W wired and 15W wireless charging, along with 4.5W reverse wireless charging.Under the hood, the S21 runs on the Exynos 2100 or Snapdragon 888, depending on the region, offering improved performance and better efficiency than previous models. It comes with a base storage option of 128GB, with no option for expandable storage, a shift from traditional microSD support.Software experience has also seen enhancements with One UI 3.1 based on Android 11 right out of the box, featuring new privacy controls and improved customization options. Connectivity is bolstered with 5G support, Wi-Fi 6E, and Bluetooth 5.0, ensuring that users are equipped with the latest technology for high-speed internet and device connectivity. Overall, the Samsung Galaxy S21 5G demonstrates a series of thoughtful refinements and upgrades that cater to both aesthetics and functionality, setting a new standard in the flagship smartphone market.