The Samsung Galaxy S21 series marked a significant milestone in the smartphone market. Samsung unveiled this lineup on January 14, 2021, showcasing a new era for its flagship devices. This series included the Galaxy S21, S21 Plus, and S21 Ultra, all of which catered to different user needs and preferences. They set the bar with their advanced camera systems, 5G connectivity, and compatibility with the S Pen, specifically for the S21 Ultra model. The release date was set for January 29, 2021, allowing consumers to start the year with cutting-edge technology at their fingertips.
Each model in the Galaxy S21 lineup offered distinct features to serve customers’ evolving demands. The phones lacked a microSD card slot, a decision that prioritized internal storage options. This move was part of Samsung’s broader strategy to streamline its smartphones’ design and functionality. The introduction of these devices not only continued the legacy of the Galaxy S series but also reinforced Samsung’s standing as a key player in the global smartphone market.
Release Date
The Samsung Galaxy S21 series (S21, S21+, and S21 Ultra) was officially unveiled on January 14, 2021 at Samsung’s Galaxy Unpacked event. The phones went on sale starting January 29, 2021 worldwide (source: Wikipedia).
⚙️ Specifications (Galaxy S21 5G)
Here are the core specs for the base Galaxy S21 model (source: GSMArena):
- Display: 6.2-inch Dynamic AMOLED 2X, FHD+ (2400 × 1080), 120Hz refresh rate, HDR10+
- Processor: Exynos 2100 (International) / Qualcomm Snapdragon 888 (USA & China)
- RAM & Storage: 8GB RAM with 128GB or 256GB storage (no microSD slot)
- Rear Cameras:
- 12MP wide (f/1.8, OIS)
- 12MP ultra-wide (f/2.2, 120° FoV)
- 64MP telephoto (3x hybrid zoom, up to 30x Space Zoom)
- Front Camera: 10MP (f/2.2)
- Battery: 4,000 mAh with 25W wired fast charging, 15W wireless charging, and Wireless PowerShare
- OS at Launch: Android 11 with One UI 3.1 (upgradable to Android 14 / One UI 6 as of 2024)
- Build: Gorilla Glass Victus front, plastic back, aluminum frame
- Connectivity: 5G, Wi-Fi 6, Bluetooth 5.0, USB-C
- Biometrics: Ultrasonic fingerprint sensor, face recognition
- Colors (at launch): Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
📊 Galaxy S21 vs. S21+ vs. S21 Ultra
- S21+: Larger 6.7″ display, 4,800 mAh battery, glass back.
- S21 Ultra: Premium model with 6.8″ QHD+ 120Hz display, up to 16GB RAM, 108MP main camera, dual telephoto lenses, S Pen support.
- S21 FE (Fan Edition): Released later (January 2022), offering a more affordable version with similar performance.
(Details: Samsung Support)
📖 Buying Guide & Tips
- Performance: Still powerful in 2025, especially with Snapdragon 888/Exynos 2100. Works well for gaming, multitasking, and photography.
- Software Support: Samsung provides up to 4 years of OS updates and 5 years of security updates. The S21 series is still supported but nearing the end of major OS upgrades.
- Camera: Great for everyday photography with strong zoom features. The Ultra is best for enthusiasts.
- Battery Life: The base S21’s 4,000 mAh battery may feel small by 2025 standards; consider the S21+ or Ultra for better longevity.
- Price (2025 Market): Since it’s an older flagship, prices are much lower than launch, making it a good budget-friendly option for premium features.
✅ In summary: The Samsung Galaxy S21 series brought major improvements in performance, display, and camera tech when it launched in 2021. Even in 2025, it remains a solid choice for users who want flagship features at a lower price point.
Key Takeaways
- Samsung launched the Galaxy S21 series on January 14, 2021.
- The series includes the Galaxy S21, S21 Plus, and S21 Ultra.
- Features of the series include 5G, innovative camera tech, and S Pen support for the S21 Ultra.
Galaxy S21 Series Release Overview
The Samsung Galaxy S21 series represents a significant leap in Samsung’s lineup of flagship smartphones. The series introduced advanced technology and design elements that set new benchmarks for the industry.
Announcement and Launch Dates
Samsung unveiled the Galaxy S21 series on January 14, 2021. The lineup includes the Galaxy S21, the Galaxy S21+, and the Galaxy S21 Ultra. These models became available shortly after the announcement.
Pricing and Availability
At launch, the Galaxy S21 started at $799, the S21+ at $999, and the S21 Ultra at $1,199. Samsung made these models widely available through various retailers and carriers across the globe.
Technological Advancements
The Galaxy S21 series features the Qualcomm Snapdragon 888 or Exynos 2100 chipsets, depending on the region. These chipsets bring improved performance and efficiency to the devices, especially in 5G connectivity and processing power.
Design and Durability Features
Samsung designed the S21 series with durability in mind. The phones come with an IP68 rating, ensuring resistance to dust and water. They also have a new contour cut camera design that seamlessly blends into the device’s frame.
Screen and Display Innovations
The Galaxy S21 series boasts Dynamic AMOLED 2X displays. These screens offer a 120Hz refresh rate for smooth scrolling and superior image quality, with less blue light to reduce eye strain.
S21 Camera System
With a camera setup that includes a 108MP main sensor on the S21 Ultra and improved capabilities for low-light photography, the S21 series cameras allow for detailed photos and up to 8K video recording.
Software and Ecosystem
Ships with Android 11, the series will benefit from Samsung’s commitment to regular updates. Samsung’s One UI enhances the user experience with a clean design and thoughtful features.
Connectivity and Accessories
The S21 devices come with 5G support, Wi-Fi 6E, and Ultra-Wideband (UWB) capabilities. Accessories like the S Pen (only for the S21 Ultra) and Galaxy SmartTag extend the functionality of the smartphones.
Storage and Battery Considerations
The Galaxy S21 series offers multiple storage options, with the S21 Ultra providing up to 512GB. While the S21 does not support expandable storage via microSD, it compensates with larger internal storage options.
Comparisons and Alternatives
Alternatives include Apple’s iPhone models and other Android phones. The Galaxy S21 series stands out with its pricing and features, presenting itself as a competitive option in the high-end smartphone market.
Market Impact and Reception
The Galaxy S21 series saw positive reception for its pricing and advanced features, reinforcing Samsung’s place as a leader in the flagship smartphone segment.
Future of the Galaxy S Series
Samsung’s innovation with the Galaxy S21 series paves the way for future models. The tech community eagerly anticipates the features and improvements that will follow in the Galaxy S series.
