Introduction
The Samsung Galaxy S21 is more than just a smartphone—it’s a bold leap into the future of mobile technology. Launched as part of Samsung’s flagship Galaxy S series, the S21 offers a perfect balance of power, performance, and style. From its dynamic camera system to its sleek design and cutting-edge processor, this device is built for users who demand excellence in every tap, swipe, and scroll.
Whether you’re a content creator, a gamer, or a casual user, the Galaxy S21 stands out as a reliable, premium smartphone that delivers on every front. Let’s explore why this device remains one of the most sought-after smartphones in the market.
Stunning Design and Display

The Samsung Galaxy S21 boasts a premium design that’s both elegant and functional. The phone features a 6.2-inch Dynamic AMOLED 2X display with a Full HD+ resolution (2400 x 1080 pixels), offering vivid colors, deep contrasts, and outstanding brightness. Thanks to the 120Hz refresh rate, scrolling and animations are buttery smooth, delivering a truly immersive user experience.
The Gorilla Glass Victus front and polycarbonate back ensure durability without compromising style. The Contoured Camera Housing merges seamlessly with the device’s body, providing a sleek and modern look.
Key Display Features:
- 6.2” Dynamic AMOLED 2X
- 120Hz Adaptive Refresh Rate
- HDR10+ Support
- Eye Comfort Shield
Performance That Sets the Bar
At the heart of the Galaxy S21 is the Exynos 2100 (in global markets) or Qualcomm Snapdragon 888 (in the US), both built on a 5nm architecture. These processors ensure faster performance, better power efficiency, and seamless multitasking.
With 8GB of RAM and up to 256GB of internal storage, the Galaxy S21 handles demanding apps and games effortlessly. Whether you’re editing videos, streaming 4K content, or switching between apps, this phone delivers smooth and responsive performance.
Performance Highlights:
- Exynos 2100 / Snapdragon 888
- 8GB RAM
- 128GB or 256GB storage
- Game Booster & Adaptive Performance
Pro-Grade Camera System
One of the standout features of the Samsung Galaxy S21 is its triple rear camera setup. This includes a 12MP Ultra-Wide Camera, a 12MP Wide-Angle Camera, and a 64MP Telephoto Camera. The phone supports 3x Hybrid Zoom and up to 30x Space Zoom, allowing you to capture detailed shots from a distance.
The camera excels in various lighting conditions and includes features like Single Take, Director’s View, and 8K video recording. On the front, the 10MP selfie camera delivers crisp, vibrant self-portraits with natural skin tones.
Camera Features:
- Triple Rear Camera (12MP + 12MP + 64MP)
- 8K Video Recording at 24fps
- 10MP Front Camera
- Night Mode, Super Steady, Portrait Mode
Intelligent Battery and Charging
The Galaxy S21 is powered by a 4000mAh battery, which may seem modest on paper but is optimized efficiently with its software and 5nm processor. It offers a full day’s usage for most users, even with the 120Hz refresh rate enabled.
Fast charging, wireless charging, and Wireless PowerShare (reverse charging) are supported, making it easy to keep your device and accessories powered throughout the day.
Battery Features:
- 4000mAh capacity
- 25W Fast Charging (wired)
- 15W Wireless Charging
- 4.5W Reverse Wireless Charging
Software and User Experience
Running on Samsung’s One UI 3.1 (based on Android 11) out of the box, the Galaxy S21 offers a clean and customizable interface. The phone has since been upgraded to One UI 5.1 based on Android 13, bringing performance enhancements and new features.
Features like Edge Panels, Smart Widgets, Bixby Routines, and Samsung DeX enhance productivity and user convenience. Samsung Knox ensures enterprise-grade security, keeping your personal and professional data safe.
Software Features:
- One UI 5.1 (Android 13)
- Samsung DeX support
- Secure Folder & Samsung Knox
- Customizable UI & Widgets
Connectivity and Additional Features
The Galaxy S21 supports 5G connectivity, ensuring future-proofed mobile internet performance. It also includes Wi-Fi 6, Bluetooth 5.0, NFC, and Ultra-Wideband (UWB), enabling features like precise location tracking and digital key sharing.
Though it lacks a microSD card slot and a headphone jack, the phone makes up for it with IP68 water and dust resistance, stereo speakers tuned by AKG, and Dolby Atmos sound.
Connectivity & Extras:
- 5G Ready
- Wi-Fi 6
- Bluetooth 5.0
- IP68 Rating
- Stereo Speakers with Dolby Atmos
Samsung Galaxy S21: Pros and Cons
Here’s a quick breakdown of the pros and cons to help you decide if the Galaxy S21 is right for you.
Pros:
- Sleek and modern design
- Stunning 120Hz AMOLED display
- Excellent camera performance
- Flagship-level processor
- 5G and Wi-Fi 6 connectivity
- Compact and lightweight
Cons:
- No microSD card slot
- No charger included in the box
- Plastic back may not feel as premium as glass
Price and Availability in India
As of 2025, the Samsung Galaxy S21 is available in India at a starting price of around ₹54,999, depending on the variant and current offers. It can be purchased via Samsung’s official website, online platforms like Amazon and Flipkart, and major retail outlets.
Final Verdict
The Samsung Galaxy S21 continues to be a strong contender in the premium smartphone segment. With its top-tier display, powerful performance, intelligent camera system, and robust features, it offers exceptional value for both tech enthusiasts and everyday users.
If you’re looking for a compact flagship with modern features and a future-ready design, the Samsung Galaxy S21 is a brilliant choice.