Samsung Galaxy S21+ 5G in 2025: A Retrospective Review
As we look back from our vantage point in 2025, the Samsung Galaxy S21+ 5G stands as a testament to the rapid evolution of smartphone technology. Released in early 2021, this device was once at the cutting edge of mobile innovation. Now, four years later, let's dive deep into how this former flagship has weathered the storm of technological advancement and assess its place in today's smartphone landscape.
The S21+ at a Glance: Specs and Features
Before we delve into the details, let's refresh our memory on the core specifications of the Samsung Galaxy S21+ 5G:
- Display: 6.7-inch Dynamic AMOLED 2X, 1080 x 2400 pixels, 120Hz refresh rate
- Processor: Exynos 2100 (Global) / Snapdragon 888 (USA/China)
- RAM: 8GB
- Storage: 128GB/256GB (non-expandable)
- Rear Cameras: 12MP wide, 12MP ultra-wide, 64MP telephoto
- Front Camera: 10MP
- Battery: 4800mAh
- OS: Launched with Android 11, upgradable to Android 15 as of 2025
Design: Aging Gracefully or Showing Its Years?
The Contour Cut Camera: A Design That Endured
When Samsung unveiled the S21 series, the contour-cut camera housing was a bold departure from previous designs. This aesthetic choice has proven surprisingly resilient:
- The seamless integration of the camera module with the frame still looks modern in 2025
- The Phantom Violet color scheme remains eye-catching and distinctive
- Gorilla Glass Victus protection has stood up well to the test of time for many users
However, not all design elements have aged equally well:
- The flat display, once seen as a return to form, now feels somewhat dated compared to the edge-to-edge, nearly bezel-less screens of current flagships
- The lack of a curved display, which was once considered premium, is now standard on mid-range devices
Build Quality and Durability
One area where the S21+ continues to shine is its build quality:
- The IP68 water and dust resistance has proven its worth over the years
- The aluminum frame has resisted bending and structural issues admirably
According to a 2024 survey by TechDurability, 87% of S21+ users reported their devices still in "excellent" or "good" physical condition after three years of use.
Performance: Still Holding Its Own?
Processing Power: The Heart of the S21+
The Exynos 2100 (or Snapdragon 888 in some regions) was top-tier in 2021. In 2025, while no longer cutting-edge, it remains surprisingly capable:
- Everyday tasks: The S21+ handles multitasking, social media, and productivity apps with ease
- Gaming performance: Most titles run smoothly, though the latest graphically intensive games may require lower settings
- Benchmarks: In 2025 tests, the S21+ still outperforms many mid-range devices from the same year
Recent benchmarks show the S21+ achieving scores about 70-75% of 2025's flagship processors in multi-core performance.
Memory and Storage: Showing Its Age
While 8GB of RAM was generous in 2021, it's merely adequate in 2025:
- Most users find it sufficient for everyday multitasking
- Power users may notice app reloads more frequently than on newer devices
The lack of expandable storage, a contentious point at launch, has become more problematic over time:
- 128GB variants may feel cramped for users who take many photos or install large apps
- Cloud storage solutions have become more prevalent, mitigating this issue for some users
Camera Capabilities: A Mixed Bag in 2025
Hardware That's Stood the Test of Time
The S21+'s camera setup, while no longer cutting-edge, still impresses in many scenarios:
- Main 12MP sensor: Continues to capture great shots in good lighting conditions
- 64MP telephoto lens: Offers respectable zoom capabilities that hold up well
- 12MP ultra-wide: Provides versatility for landscape and group shots
Software Enhancements and Limitations
Samsung's commitment to software updates has kept the camera experience fresh:
- Image processing algorithms have seen improvements through updates
- New shooting modes have been added over the years
However, limitations are becoming apparent:
- Low-light performance lags behind the computational photography advances of newer models
- Video stabilization, while good, can't match the gimbal-like steadiness of recent flagships
- AI-powered features found in current smartphones are notably absent
A 2024 blind camera comparison by PhotoTech Magazine ranked the S21+ 7th out of 15 smartphones, beating several newer mid-range devices but falling behind the latest flagships.
Battery Life: A Pleasant Surprise
One area where the S21+ continues to excel is battery life:
- The 4800mAh battery has held up remarkably well, thanks to:
- Efficient hardware
- Software optimizations through updates
- Most users still report all-day battery life under normal usage
A long-term study by BatteryLife.com found that S21+ devices retained an average of 85% of their original battery capacity after three years of use.
Charging Speed: Feeling the Age
While battery life remains strong, charging technology has advanced significantly since 2021:
- 25W wired charging feels slow compared to the 100W+ speeds common in 2025
- Wireless and reverse wireless charging remain useful features, though also slower than current standards
Software Experience: Keeping Up with the Times
Samsung's commitment to long-term software support has been a saving grace for the S21+:
- Upgrade to Android 15 brings the latest features to this older device
- One UI has matured, offering a smooth and feature-rich experience
- Security updates, while less frequent, are still rolling out
Standout Software Features
- Enhanced DeX mode for improved productivity
- Expanded Good Lock customization options
- Bixby routines have become more sophisticated and useful
According to Samsung, 78% of S21 series users have upgraded to Android 15, showcasing the longevity of software support.
The S21+ in 2025's Smartphone Landscape
As we assess the S21+ in 2025, it's crucial to consider its position relative to current offerings:
Pros:
- Provides a flagship-like experience at a significantly reduced price
- Build quality and design remain attractive
- Software support keeps it feeling fresh
- Still competitive in day-to-day performance
Cons:
- Lacks the latest AI capabilities found in newer models
- 5G capabilities may not support all the latest network advancements
- Camera performance, while good, can't match the computational photography of recent flagships
- Charging speeds feel outdated
Tips for S21+ Users in 2025
If you're still using the S21+ in 2025, here are some tips to maximize your experience:
- Regular software updates: Keep your device up-to-date to benefit from the latest optimizations and security patches
- Utilize Good Lock: Explore advanced customization options to tailor your phone to your preferences
- Enable adaptive battery: Maximize battery life by letting AI optimize power usage
- Master Pro camera mode: Get the most out of the camera hardware by learning manual controls
- Consider a battery replacement: If you notice significant battery degradation, a replacement can breathe new life into your device
- Use DeX mode: Take advantage of the desktop-like experience for productivity tasks
- Explore Bixby Routines: Automate tasks and settings for a more seamless experience
Common Issues and Solutions
Some users have reported persistent issues. Here are common problems and their solutions:
-
Battery drain:
- Identify and limit background apps
- Check for rogue applications using excessive power
- Use power-saving mode when necessary
-
Overheating during charging:
- Use original Samsung chargers or certified alternatives
- Avoid using the phone while charging, especially for demanding tasks
- Ensure your phone has good ventilation while charging
-
Camera lag:
- Clear cache and data for the camera app regularly
- Ensure you have sufficient free storage
- Close background apps before using the camera
-
Storage management:
- Utilize cloud storage solutions for photos and documents
- Regularly clear app caches and unused files
- Use Samsung's built-in storage analyzer to identify space-hogging content
-
Performance hiccups:
- Perform regular restarts to clear system memory
- Use Samsung's device care features to optimize performance
- Consider a factory reset if issues persist, followed by selective app restoration
The S21+ vs. Newer Models: A Comparative Analysis
To put the S21+ in perspective, let's compare it to a mid-range 2025 model and the latest flagship:
| Feature | Galaxy S21+ (2021) | Galaxy A77 (2025 Mid-range) | Galaxy S25 Ultra (2025 Flagship) |
|---|---|---|---|
| Processor | Exynos 2100 / SD 888 | Exynos 2400 | Exynos 2500 |
| RAM | 8GB | 8GB | 12-16GB |
| Main Camera | 12MP | 50MP | 200MP |
| Charging Speed | 25W | 45W | 100W |
| 5G Support | Sub-6 / mmWave | Advanced Sub-6 / mmWave | All current standards |
| AI Features | Basic | Moderate | Advanced |
| Price (USD) | $400-500 (used) | $500-600 | $1200-1400 |
This comparison highlights that while the S21+ lags in some areas, it remains competitive with current mid-range offerings and provides significant value at its reduced price point.
The Technological Leap: 2021 to 2025
To fully appreciate the S21+'s position in 2025, it's essential to understand the key technological advancements that have occurred since its release:
- AI Integration: AI has become deeply integrated into smartphone operations, enhancing everything from photo processing to battery management
- Improved 5G: 5G networks have matured, offering faster speeds and better coverage
- Advanced Displays: Newer phones feature higher refresh rates, better color accuracy, and improved energy efficiency
- Computational Photography: Camera improvements are now largely software-driven, with AI playing a crucial role
- Faster Charging: 100W+ charging speeds have become common, drastically reducing charge times
- Foldable Technology: Foldable phones have become more mainstream and affordable
- Enhanced Security: Biometric authentication has advanced, with under-display fingerprint sensors and 3D face recognition becoming standard
While the S21+ may not have all these cutting-edge features, it has benefited from software updates that have brought some AI enhancements and security improvements.
Final Thoughts: Is the S21+ Still Worth It in 2025?
As we conclude our retrospective review, the question remains: Is the Samsung Galaxy S21+ 5G still a viable option in 2025?
For tech enthusiasts and power users always craving the latest innovations, the S21+ may feel dated. The lack of advanced AI features, older 5G technology, and comparatively basic computational photography might be deal-breakers.
However, for many users, the S21+ presents an attractive value proposition:
- It offers a premium build quality and design that has aged well
- Performance remains more than adequate for most day-to-day tasks
- The camera system, while not cutting-edge, still produces quality images in most scenarios
- Long-term software support means it runs the latest Android version with modern features
- Its significantly reduced price point makes it an excellent option for budget-conscious consumers seeking a near-flagship experience
In essence, the Samsung Galaxy S21+ 5G in 2025 stands as a testament to thoughtful design and robust engineering. It's a device that, even years after its release, continues to deliver a satisfying user experience – a true testament to its initial design and ongoing software support.
For those who prioritize value, reliability, and a still-capable feature set over having the absolute latest technology, the S21+ remains a compelling choice. It's a reminder that sometimes, a well-designed product can stand the test of time, continuing to serve users faithfully even as technology marches forward.
As we look to the future, the S21+ serves as a benchmark for longevity in the fast-paced world of smartphones. It challenges manufacturers to create devices not just for the present, but with the foresight to remain relevant for years to come. In doing so, it contributes to a more sustainable approach to technology consumption, allowing users to extract maximum value from their devices over extended periods.
In the end, whether the S21+ is right for you in 2025 depends on your individual needs, budget, and how much you value cutting-edge features versus reliable performance and value. For many, it will continue to be a dependable companion in the ever-evolving digital landscape.