Samsung / PhonesReleased 2021-01-29

Samsung Galaxy S21 Ultra

Galaxy S21 Ultra · January 2021

Last listed ₦770,000

Saved seller price · not yet reverified · last recorded 05 Oct 2026. Availability is unconfirmed.

Official launch price: $399.98

6.8-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) · 120Hz

Exynos 2100 (5 nm) - International / Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China

8GB RAM, 12GB RAM,16GB RAM, · 128GB, 256GB, 512GB

5000 mAh · 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless

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Our take

Editorial context remains separate from factual specifications.

The Samsung Galaxy S21 Ultra features a 6.8-inch Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 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, 512GB. Rear cameras: 108 MP. Battery capacity is 5000 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-G998U1; 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B
5G: 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1; 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B
Speed: LTE, 5G

BODY5 fields

Dimensions: 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
Weight: 227 g (Sub6), 229 g (mmWave) (8.01 oz)
Build: Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), 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+, 1500 nits (peak)
Size: 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Screen-to-body: ~89.8%
Resolution: 1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
Refresh Rate: 120Hz
Brightness: 1500 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: 8GB RAM, 12GB RAM,16GB RAM,
Internal: 128GB, 256GB, 512GB
Storage/RAM variants: 128GB, 256GB, 512GB; 8GB RAM, 12GB RAM,16GB RAM,

MAIN CAMERA3 fields

Main camera: 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2
Features: Laser AF, 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: 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, 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/6e, dual-band, Wi-Fi Direct
Bluetooth: 5.2, 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: 5000 mAh
Type: Li-Ion 5000 mAh
Charging Type: 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless

ADDITIONAL INFORMATION4 fields

Colors: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
Models: SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
Price in Nigeria: ₦612,000
Launch Price (USD): $399.98 (reference only — see Price in Nigeria above for the actual retail price)

SECURITY1 fields