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Samsung Galaxy S21

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

₦382,500

Estimated price. No live seller prices checked yet.

  • 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

Full specifications · Video review · Before you buy

Where to buy in Nigeria

None of the stores we track lists the Samsung Galaxy S21 right now. Check today's price at these Nigerian stores.

Estimated₦382,500

These links open each store's search. We add a phone's store prices here automatically once a store we track lists it.

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 4 Nov 2026

Medium confidence

Scores 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
AnnouncedJanuary 29, 2021
Released2021-01-29
StatusAvailable
NETWORK
Technology5G/4G/LTE/GSM
2G BandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G BandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100; CDMA2000 1xEV-DO
4G LTE1, 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
5G2, 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
SpeedLTE, 5G
BODY
Dimensions151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight169 g (Sub6), 171 g (mmWave) (5.96 oz)
BuildGlass front (Gorilla Glass Victus), plastic back, aluminum frame
SIMNano-SIM + eSIM Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
IP RatingIP68 dust/water resistant (up to 1.5m for 30 min)
DISPLAY
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Size6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
Screen-to-body~87.2%
Resolution1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
Refresh Rate120Hz
Brightness1300 nits (peak)
ProtectionCorning Gorilla Glass Victus
PLATFORM
OSAndroid 11, up to 4 major Android upgrades, One UI 6.1
ChipsetExynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPUOcta-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
GPUMali-G78 MP14 - International Adreno 660 - USA/China
MEMORY
Card slotNo
RAM6GB RAM, 8GB RAM
Internal128GB, 256GB
Storage/RAM variants128GB, 256GB; 6GB RAM, 8GB RAM
MAIN CAMERA
Main camera12 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
FeaturesLED flash, auto-HDR, panorama
Video8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
SELFIE CAMERA
Selfie camera10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, dual pixel PDAF
FeaturesHDR
Video4K@30/60fps, 1080p@30fps
SOUND
LoudspeakerYes, with stereo speakers
3.5mm jackNo
COMMUNICATION
WLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct
Bluetooth5.0, A2DP, LE
PositioningGPS, GLONASS, BDS, GALILEO
NFCYes
RadioFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2, OTG
FEATURES
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
BATTERY
Capacity4000 mAh
TypeLi-Ion 4000 mAh
Charging Type25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
ADDITIONAL INFORMATION
ColorsPhantom Gray, Phantom White, Phantom Violet, Phantom Pink
ModelsSM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910, SM-G991Q, SCG09
Price in Nigeria₦382,500
Launch Price (USD)$250.00 (reference only — see Price in Nigeria above for the actual retail price)
SECURITY
SecurityBiometric security: Fingerprint (under display, ultrasonic).
Own the Galaxy S21? Write a review

Video review

Galaxy S21 — a closer look.

YouTube
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Before you buy

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