SafeRooting
Samsung Galaxy S21 Ultra 5G
Samsung

Samsung Galaxy S21 Ultra 5G

Released: 2021, January 14Price: $ 239.96 / £ 229.07 / € 265.14Status: Available. Released 2021, January 29

Root Support Available

Bootloader unlock, Magisk root, recovery notes, and expert support are available for this device family.

Full Specifications

OSAndroid 11, up to 4 major Android upgrades, One UI 6.1
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
NFCYes
SAR0.77 W/kg (head) 1.02 W/kg (body)
SIMNano-SIM +, eSIM, Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
USBUSB Type-C 3.2, OTG
Quad108 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/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
Size6.8 inches, 112.1 cm, 2, (~89.8% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak)
WLANWi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct
BrandSamsung
BuildGlass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame
ModelSamsung Galaxy S21 Ultra 5G
Price$ 239.96 / £ 229.07 / € 265.14
RadioFM radio (Snapdragon model only; market/operator dependent)
SpeedHSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL)
Video4K@30/60fps, 1080p@30fps
CameraPhoto, /, Video
ColorsPhantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy
ModelsSM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980
SAR EU0.71 W/kg (head) 1.58 W/kg (body)
Single40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF
StatusAvailable. Released 2021, January 29
Weight227 g (Sub6), 229 g (mmWave) (8.01 oz)
ChipsetExynos 2100 (5 nm) - International, Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
Display1023 nits max brightness (measured)
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
2G bandsGSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 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
5G bands2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
Charging25W wired, PD3.0, 15W wireless (Qi), 4.5W reverse wireless
FeaturesHDR
Internal128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
Released2021, January 14
Announced2021, January 14
Bluetooth5.2, A2DP, LE
Card slotNo
3.5mm jackNo
Dimensions165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
ProtectionCorning Gorilla Glass Victus
Resolution1440 x 3200 pixels, 20:9 ratio (~515 ppi density)
TechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
Loudspeaker-25.5 LUFS (Very good)
PerformanceAnTuTu: 657150 (v8), GeekBench: 3518 (v5.1), GFXBench: 33fps (ES 3.1 onscreen)
PositioningGPS, GLONASS, BDS, GALILEO
Battery (old)Endurance rating 114h

Samsung Galaxy S21 Ultra 5G Overview

About Samsung Galaxy S21 Ultra 5G Samsung Galaxy S21 Ultra 5G is another flagship from Samsung's popular line of first class Android phones, released in the 2021. Samsung Galaxy S21 Ultra 5G has a wide variety of great specifications such as 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM with Exynos 2100 (5 nm) - International, Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China , as well as ultrasonic fingerprint sensor. The thing that makes this decent smartphone special is its sleek design and an amazing all-screen design with no notches at all.

Rooting Information

Samsung Galaxy S21 Ultra 5G can generally be rooted with a bootloader unlock and Magisk patched boot image workflow. Always match firmware build numbers before flashing.

Bootloader Information

Most Android rooting methods begin with bootloader unlock. Unlocking may wipe data, affect warranty, and disable some security features.

Recovery Information

Custom recovery support depends on chipset, kernel source availability, and community builds. Fastboot-based Magisk installation can work even when TWRP is unavailable.

FAQ

Can I root the Samsung Galaxy S21 Ultra 5G?

The Samsung Galaxy S21 Ultra 5G supports rooting through Magisk. You'll need to unlock the bootloader first, then flash a patched boot image. Check the rooting status card on this page for availability.

Does Samsung Galaxy S21 Ultra 5G support custom recovery (TWRP)?

Many Samsung devices support TWRP. Check our device page for recovery compatibility. If TWRP isn't available, you can still use Magisk through fastboot method.

Will rooting Samsung Galaxy S21 Ultra 5G void warranty?

Yes, rooting the Samsung Galaxy S21 Ultra 5G will void the manufacturer warranty. However, you can unroot using the stock firmware to potentially restore warranty coverage.

What Android version does Samsung Galaxy S21 Ultra 5G run?

Check the specifications section above for the current OS version and upgrade history of your Samsung Galaxy S21 Ultra 5G.