Samsung / PhonesReleased 2021-01-29
Samsung Galaxy S21
Galaxy S21 · January 2021
From ₦224,999
Saved seller price · not yet reverified · last recorded 28 Sep 2026. Availability is unconfirmed.
Official launch price: $250.00
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
Our take
Editorial context remains separate from factual specifications.
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.
Before you buy
Confirm the storage, condition, warranty and network compatibility of the exact unit before paying. For a used device, check the display, cameras, battery and charging port.
Full specifications
Every applicable group and every stored specification row.
LAUNCH DATE3 fields
- Announced
- January 29, 2021
- Released
- 2021-01-29
- Status
- Available
NETWORK6 fields
- 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
BODY5 fields
- 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)
DISPLAY7 fields
- 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
PLATFORM4 fields
- 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
MEMORY4 fields
- Card slot
- No
- RAM
- 6GB RAM, 8GB RAM
- Internal
- 128GB, 256GB
- Storage/RAM variants
- 128GB, 256GB; 6GB RAM, 8GB RAM
MAIN CAMERA3 fields
- 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 CAMERA3 fields
- 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
SOUND2 fields
- Loudspeaker
- Yes, with stereo speakers
- 3.5mm jack
- No
COMMUNICATION6 fields
- 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
FEATURES1 fields
- Sensors
- Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
BATTERY3 fields
- Capacity
- 4000 mAh
- Type
- Li-Ion 4000 mAh
- Charging Type
- 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless
ADDITIONAL INFORMATION4 fields
- 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
- ₦382,500
- Launch Price (USD)
- $250.00 (reference only — see Price in Nigeria above for the actual retail price)
SECURITY1 fields
- Security
- Biometric security: Fingerprint (under display, ultrasonic).
Where to buy in Nigeria
Saved seller offers for this exact device. Prices have not yet been reverified; confirm the configuration, condition and availability with the store.
| Seller / condition | Configuration | Price / checked | Listing |
|---|---|---|---|
| Jiji — Legendary Gadgets-WPre-owned · Listed in stock | 128GB | ₦224,999Not yet reverified · Recorded 28 Sep 2026 | Visit store ↗ |
| Jiji — Harry's GadgetsPre-owned · Listed in stock | 128GB | ₦250,000Not yet reverified · Recorded 28 Sep 2026 | Visit store ↗ |
| Jiji — Ifytexgamesandgadgets storePre-owned · Listed in stock | 128GB | ₦250,000Not yet reverified · Recorded 28 Sep 2026 | Visit store ↗ |
| Jiji — Ifytexgamesandgadgets storePre-owned · Listed in stock | 256GB | ₦260,000Not yet reverified · Recorded 28 Sep 2026 | Visit store ↗ |
Store search links are not verified offers. Confirm price, configuration, condition and warranty before paying.
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Last updated 12 Sep 2025
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