The Samsung Galaxy S21 5G was first released in 2021, and at that time, it was one of the most powerful and stylish smartphones available. Fast forward to 2025, and many people around the world are asking:
Should I still buy the Galaxy S21 5G today, or go for a newer model?
This review breaks down the design, display, performance, camera, battery, and pricing to help you decide.
Design & Build Quality
Even though it’s a few years old, the Samsung Galaxy S21 5G still looks sleek and modern. It features a premium glass and metal design that feels solid in the hand.
The phone is also IP68 water and dust resistant, which means it can handle splashes, rain, and a little dirt without worry.
The compact size compared to newer “ultra-large” smartphones makes it comfortable to use with one hand — something many users still prefer.
Display
- The phone sports a 6.2-inch Dynamic AMOLED 2X display with:
- 120Hz refresh rate (smooth scrolling and gaming)
- HDR10+ support (vibrant colors and deep contrast)
- Full HD+ resolution (2400 × 1080 pixels)
Whether you’re watching YouTube, Netflix, or playing games, the Galaxy S21 5G still delivers a premium viewing experience that rivals many mid-range and even high-end devices today.
Performance
Under the hood, the phone runs on the Qualcomm Snapdragon 888 (US/China) or Exynos 2100 (global markets) processor. Paired with 6GB or 8GB of RAM, it remains very capable in 2025.
Apps open quickly, multitasking feels smooth, and even heavy games like PUBG, Fortnite, or Call of Duty Mobile run well. While it may not match the raw power of the latest Snapdragon 8 Gen 3 flagships, the S21 5G is still more than enough for the average user.
Cameras
Samsung has always been known for its cameras, and the Galaxy S21 5G continues to impress:
Rear Camera Setup:
- 12MP ultra-wide
- 12MP wide-angle
- 64MP telephoto (3x hybrid zoom, up to 30x digital zoom)
Front Camera: 10MP selfie shooter
Photos are crisp and colorful, with excellent detail in daylight. Night shots are strong thanks to Samsung’s advanced image processing. The phone also records 8K video, which is still rare for many devices today.
For content creators, social media users, or casual photographers, the S21 5G is still a solid choice.
Battery Life
The phone has a 4000mAh battery, which may sound small compared to modern 5000mAh+ phones. However, thanks to Samsung’s optimization, it still lasts a full day under normal use.
It supports:
- 25W fast charging (about 50% in 30 minutes)
- Wireless charging
- Reverse wireless charging (charge your earbuds or another phone)
This flexibility makes it very convenient for daily use.
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Software Updates
One of the best things about Samsung is its long-term software support. The Galaxy S21 series launched with Android 11 but has received multiple updates since then. In 2025, it is still running Android 14 with One UI 6, which means:
- Security patches are up-to-date
- Features are still modern
- Apps run smoothly
This is a big reason why the S21 5G is still relevant in 2025.
Price in 2025
Since it’s not the latest model, the Galaxy S21 5G is now much cheaper than when it first launched. Prices vary depending on the region and condition (brand new, refurbished, or used). On average:
256GB / 8GB RAM – around $550 – $650
128GB / 6GB RAM – around $450 – $550
In some markets, you can even find great deals for less, making it one of the most affordable “flagship-level” Samsung phones available today.
Should You Buy It in 2025?
The Samsung Galaxy S21 5G may be a few years old, but it still offers:
✔ A brilliant AMOLED display
✔ Strong performance
✔ Reliable cameras
✔ Modern software support
✔ A premium design at a much lower cost
If you’re looking for a flagship phone experience without spending $1000+, the Galaxy S21 5G is still worth buying in 2025. It’s perfect for students, professionals, and anyone who wants high-end features at a more affordable price.
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