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Released 2021-01-29
Samsung Galaxy S21
The Samsung Galaxy S21 features a 6.2-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) display with 120Hz refresh rate. It uses the Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China processor. Storage options include 128GB, 256GB. Rear cameras: 12 MP. Battery capacity is 4000 mAh, with 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless charging. It runs Android 11, up to 4 major Android upgrades, One UI 6.1.
Price in Nigeria
From ₦224,999
Lowest of 4 checked seller prices · updated 28 Sep 2026
- 6.2-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) · 120Hz
- Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
- 6GB RAM, 8GB RAM · 128GB, 256GB
- 4000 mAh · 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
Where to buy in Nigeria
Store prices we checked in the last 14 days. In-stock offers first, lowest price first.
Lowest today₦224,999
Prices change quickly. Confirm the price, storage, condition and warranty with the seller before paying.
Owner Score
How people who own the Galaxy S21 rate it, from 104 public comments.
At launch
51
104 mentions
Now
—
Not enough feedback
Breakdown by aspect
Camera
40
Performance
50
Category median: 77 · Updated 7 Oct 2026
Medium confidenceScores are calculated from assessed owner comments and adjusted against the median for this category.
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Galaxy S21 in our guides and news
Full specifications
| LAUNCH DATE | |
|---|---|
| Announced | January 29, 2021 |
| Released | 2021-01-29 |
| Status | Available |
| NETWORK | |
| Technology | 5G/4G/LTE/GSM |
| 2G Bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO |
| 4G LTE | 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G991U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G991B |
| 5G | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G991B |
| Speed | LTE, 5G |
| BODY | |
| Dimensions | 151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in) |
| Weight | 169 g (Sub6), 171 g (mmWave) (5.96 oz) |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame |
| SIM | Nano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time) |
| IP Rating | IP68 dust/water resistant (up to 1.5m for 30 min) |
| DISPLAY | |
| Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak) |
| Size | 6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio) |
| Screen-to-body | ~87.2% |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~421 ppi density) |
| Refresh Rate | 120Hz |
| Brightness | 1300 nits (peak) |
| Protection | Corning Gorilla Glass Victus |
| PLATFORM | |
| OS | Android 11, up to 4 major Android upgrades, One UI 6.1 |
| Chipset | Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
| MEMORY | |
| Card slot | No |
| RAM | 6GB RAM, 8GB RAM |
| Internal | 128GB, 256GB |
| Storage/RAM variants | 128GB, 256GB; 6GB RAM, 8GB RAM |
| MAIN CAMERA | |
| Main camera | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video |
| Features | LED flash, auto-HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| SELFIE CAMERA | |
| Selfie camera | 10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF |
| Features | HDR |
| Video | 4K@30/60fps, 1080p@30fps |
| SOUND | |
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| COMMUNICATION | |
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.0, A2DP, LE |
| Positioning | GPS, GLONASS, BDS, GALILEO |
| NFC | Yes |
| Radio | FM radio (Snapdragon model only; market/operator dependent) |
| USB | USB Type-C 3.2, OTG |
| FEATURES | |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
| BATTERY | |
| Capacity | 4000 mAh |
| Type | Li-Ion 4000 mAh |
| Charging Type | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| ADDITIONAL INFORMATION | |
| Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink |
| Models | SM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09 |
| Price in Nigeria | From ₦224,999 (checked seller prices, 28 Sep 2026) |
| Launch Price (USD) | $250.00 (reference only — see Price in Nigeria above for the actual retail price) |
| SECURITY | |
| Security | Biometric security: Fingerprint (under display, ultrasonic). |
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Video review
Galaxy S21 — a closer look.
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