The Samsung S21 remains an affordable yet premium flagship device. The device is worth buying in 2025. The Samsung Galaxy S21 5G is still a good flagship device on 2025. While newer devices have been launched after it but still it has got a powerful performance, good display, and decent camera which are quirky features.
Price
| Samsung Galaxy S21 (128GB + 8GB RAM) | ₦320,000 |
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| Samsung Galaxy S21 (256GB + 8GB RAM) | ₦350,000 |
General Information
Launch
| Released | January 29, 2021 |
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Body
| Dimensions | 151.7 x 71.2 x 7.9 mm |
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| Weight | 169 g (Sub6), 171 g (mmWave) |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| SIM | Nano-SIM and eSIM or Dual SIM (Nano-SIM and eSIM, dual stand-by) |
| IP Rating | IP68 dust/water resistant (up to 1.5m for 30 mins) |
Display
Screen
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
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| Size | 6.2 inches |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) |
| Protection | Corning Gorilla Glass Victus |
Hardware
Platform
| OS | Android 11, upgradable to Android 13, One UI 5.1 |
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Processor
| Chipset | Exynos 2100 (International) / Snapdragon 888 (USA/China) |
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| CPU | Octa-core (varied configurations based on region) |
| GPU | Mali-G78 MP14 (International) / Adreno 660 (USA/China) |
Memory
| Internal Storage | 128GB 8GB RAM, 256GB 8GB RAM (UFS 3.1) |
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Camera
Main Camera
| Configuration | 12 MP, f/1.8, 26mm (wide), dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1.1x optical zoom, 3x hybrid zoom, OIS 12 MP, f/2.2, 120˚ (ultrawide), Super Steady video |
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| Features | LED flash, auto-HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, gyro-EIS |
Selfie Camera
| Configuration | 10 MP, f/2.2, 26mm (wide), dual pixel PDAF |
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| Features | HDR |
| Video | 4K@30/60fps, 1080p@30fps |
Audio
| Speakers | Stereo speakers, no 3.5mm jack |
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| Audio | 32-bit/384kHz, Tuned by AKG |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
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| Bluetooth | 5.0, A2DP, LE |
| GPS | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | FM radio (Snapdragon model only, market/operator dependent) |
| USB | USB Type-C 3.2, OTG |
Miscellaneous
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
|---|---|
| Additional Features | Samsung DeX, Samsung Wireless DeX |
Customer Reviews
| Average Rating | 4.5 out of 5 (based on 92 reviews) |
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| Review by Adeola Bakare (January 30, 2025) | Rating: 5/5 Fantastic phone! The 120Hz refresh rate gives the display a perfect finish and camera quality is great. |
| Review by Chiamaka Obi (March 8, 2025) | Rating: 4/5 Great performance and sleek design. Battery life could be better, but overall a premium experience. |
Pros and Cons of Samsung S21
Pros:
- This design is Compact and Premium with a comfortable grip.
- The 6.2-inch Full HD plus screen makes scrolling smoother and colors brighter due to the Dynamic AMOLED 2X display that can go as high as 120Hz.
- Can easily manage games, multitask, run heavy apps.
- Excellent camera quality and 8K video recording.
- Ready for Faster Connections: 5G Support
- This phone can be submerged in water up to 1.5m for 30 minutes.
- Wireless charging and reverse charging are convenient for charging other devices.
Cons:
- Samsung removed the power adapter from the box so you will have to buy one separately.
- The plastic back makes it feel cheaper than glass.
- It doesn’t have a microSD card slot. Thus, it limits you to 128GB or 256GB M851.
- Average Battery Life: 4000mAh battery may not last a full day for heavy users
Where to Buy Samsung S21 in Nigeria
Check out, the price of Samsung s21 from different trusted retailers in Nigeria:
Slot: Often priced at ₦390,000 for the 128GB model.
Jumia: Occasionally offers discounts, bringing the price down to ₦396,250.
Jij: Offers both new and used options, with used S21s starting as low as ₦270,000.
Frequently Asked Questions
It’s available in Phantom Gray, Phantom White, Phantom Violet, and Phantom Pink.
Prices typically range from ₦335,000 to ₦400,000 at trusted retailers like Jumia Nigeria, Pointek, or SLOT Systems. If you’re considering the Samsung S21, you might also want to check price of other Samsung phone to see which model best fits your needs and budget.
Yes, it does support 25W fast charging via USB-C, charging to about 50 per cent in 30 minutes with a compatible charger (in box). It also supports 15W wireless charging.
With moderate use (calls, browsing, video) you can expect it to last about a day. With heavy use (gaming, 5G, 120Hz on) expect 10-12 hours. 4000 mAh Battery.
Yes, it has an IP68 rating, meaning it can withstand submersion in up to 1.5 meters of fresh water for 30 minutes.
The S21 has a 6.2-inch display and 4000 mAh battery, while the S21 Plus has a 6.7-inch display, 4800 mAh battery, and a glass back (vs. plastic on the S21).
Yes, it supports both sub-6GHz and mmWave 5G (availability depends on region and carrier).
Yes, It supports dual SIM (one physical Nano-SIM + eSIM).
Yes, the rear camera records 8K video at 24fps, though 4K at 60fps offers better stabilization and versatility.
