/ / Samsung Galaxy S21 5G SM-G991U1 ATT Firmware

Samsung Galaxy S21 5G SM-G991U1 ATT Firmware

Last updated on: 2022-04-05T11:17:23Z

Samsung Galaxy S21 5G SM-G991U1 ATT Firmware Samsung Galaxy S21 5G Android smartphone. Announced Jan 2021. Features 6.2″ display, Exynos 2100 chipset, 4000 mAh battery, 256 GB storage, 8 GB ...

How to download Samsung Galaxy S21 5G SM-G991U1 ATT Firmware Everything you need to know

Samsung Galaxy S21 5G SM-G991U1 ATT Firmware Samsung Galaxy S21 5G Android smartphone. Announced Jan 2021. Features 6.2″ display, Exynos 2100 chipset, 4000 mAh battery, 256 GB storage, 8 GB ...Where to download Samsung Galaxy S21 5G SM-G991U1 ATT Firmware

Where to download Samsung Galaxy S21 5G SM-G991U1 ATT Firmware Everything you need to know

Samsung Galaxy S21 5G SM-G991U1 ATT Firmwares :

AndroidBuild NumberSecurity patch levelDownload
Android 12G991U1UES5BVC1
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES5BVC1
CSC : G991U1OYM5BVC1
2022-03-01
Mirror 1 fast
Sammobile.com info
Android 12G991U1UEU5BULH
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU5BULH
CSC : G991U1OYM5BULH
2022-01-01
Mirror 1 fast
Sammobile.com info
Android 12G991U1UES4BULE
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4BULE
CSC : G991U1OYM4BULE
2022-01-01
Mirror 1 fast
Sammobile.com info
Android 12G991U1UES4BUKK
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4BUKK
CSC : G991U1OYM4BUKK
2021-12-01
Mirror 1 fast
Sammobile.com info
Android 12G991U1UEU4BUKF
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU4BUKF
CSC : G991U1OYM4BUKF
2021-11-01
Mirror 1 fast
Sammobile.com info
Android 12G991U1UEU4BUK7
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU4BUK7
CSC : G991U1OYM4BUK7
2021-11-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UES4AUJ7
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4AUJ7
CSC : G991U1OYM4AUJ7
2021-11-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UES4AUIN
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4AUIN
CSC : G991U1OYM4AUIN
2021-10-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU4AUI7
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU4AUI7
CSC : G991U1OYM4AUI7
2021-09-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UES4AUH9
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4AUH9
CSC : G991U1OYM4AUH9
2021-09-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU4AUGQ
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU4AUGQ
CSC : G991U1OYM4AUGQ
2021-08-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU3AUDD
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU3AUDD
CSC : G991U1OYM3AUDD
2021-05-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UES3AUE3
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES3AUE3
CSC : G991U1OYM3AUE3
2021-06-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UES4AUFD
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES4AUFD
CSC : G991U1OYM4AUFD
2021-07-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU4AUF5
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU4AUF5
CSC : G991U1OYM4AUF5
2021-06-01
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU2AUC8
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU2AUC8
CSC : G991U1OYM2AUC8
2021-04-01
Mixdrop fast
Mirror 1 fast
Sammobile.com info
Android 11G991U1UEU2AUB6
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UEU2AUB6
CSC : G991U1OYM2AUB6
2021-03-01
Mixdrop fast
Mirror 1 fast
Sammobile.com info
Android 12G991U1UES5BVA6
NAME : Galaxy S21
MODEL : SM-G991U1
CC : ATT
PDA : G991U1UES5BVA6
CSC : G991U1OYM5BVA6
Mirror 1 fast
Sammobile.com info
SM-G991U1_2_20220310031931_23692yy6g2_fac.zip0B
SM-G991U1_1_20220201030850_4l1829d7ct_fac.zip0B
SM-G991U1_2_20220310031931_23692yy6g2_fac.zip0B
SM-G991U1_2_20220127114600_97336j8st2_fac.zip0B
SM-G991U1_2_20220127114600_97336j8st2_fac.zip0B
SM-G991U1_2_20220127114600_97336j8st2_fac.zip0B
SM-G991U1_1_20211105233901_q5rgguk2oq_fac.zip0B
SM-G991U1_1_20211105233901_q5rgguk2oq_fac.zip0B
SM-G991U1_1_20220201030850_4l1829d7ct_fac.zip0B
SM-G991U1_1_20211105233901_q5rgguk2oq_fac.zip0B
SM-G991U1_1_20220201030850_4l1829d7ct_fac.zip0B
SM-G991U1_1_20210511154508_usaytk09yp_fac.zip5.88GB
SM-G991U1_1_20210514131607_urt4hyfrh6_fac.zip0B
SM-G991U1_1_20210621194838_1ntxi5hn83_fac.zip0B
SM-G991U1_1_20210621194838_1ntxi5hn83_fac.zip0B
SM-G991U1_1_20210319174805_8hhaipgyxi_fac.zip5.99GB
SM-G991U1_1_20210319174805_8hhaipgyxi_fac.zip5.99GB
SM-G991U1_2_20220127114600_97336j8st2_fac.zip0B

Samsung Galaxy S21 5G SM-G991U1 ATT Firmware Specifications : (Source gsmarena)

Also available with 4G/LTE only
Versions: SM-G991B, SM-G991B/DS (International); SM-G991U (USA); SM-G991U1 (USA unlocked); SM-G991W (Canada); SM-G991N (Korea); SM-G9910 (China)

NetworkTechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
 CDMA 800 / 1900 & TD-SCDMA
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
 CDMA2000 1xEV-DO
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-G991U1
5G bands2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1
SpeedHSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
LaunchAnnounced2021, January 14
StatusAvailable. Released 2021, January 29
BodyDimensions151.7 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
SIMSingle SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
 IP68 dust/water resistant (up to 1.5m for 30 mins)
DisplayTypeDynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Size6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
ProtectionCorning Gorilla Glass Victus
 Always-on display
PlatformOSAndroid 11, One UI 3.1
ChipsetExynos 2100 (5 nm) - International
Qualcomm SM8350 Snapdragon 888 (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 Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China
GPUMali-G78 MP14 - International
Adreno 660 - USA/China
MemoryCard slotNo
Internal128GB 8GB RAM, 256GB 8GB RAM
 UFS 3.1
Main CameraTriple12 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@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS
Selfie cameraSingle10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
FeaturesDual video call, Auto-HDR
Video4K@30/60fps, 1080p@30fps
SoundLoudspeakerYes, with stereo speakers
3.5mm jackNo
 32-bit/384kHz audio
Tuned by AKG
CommsWLANWi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, BDS, GALILEO
NFCYes
RadioFM radio (Snapdragon model only; market/operator dependent)
USBUSB Type-C 3.2, USB On-The-Go
FeaturesSensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 Samsung DeX, Samsung Wireless DeX (desktop experience support)
ANT+
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
BatteryTypeLi-Ion 4000 mAh, non-removable
ChargingFast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
MiscColorsPhantom Gray, Phantom White, Phantom Violet, Phantom Pink
ModelsSM-G991B, SM-G991B/DS, SM-G991U, SM-G991U1, SM-G991W, SM-G991N, SM-G9910
SAR0.74 W/kg (head)     1.08 W/kg (body)    
SAR EU0.46 W/kg (head)     1.51 W/kg (body)    
Price$ 669.99 / € 739.97 / £ 649.00 / ₹ 69,999
TestsPerformance AnTuTu: 584055 (v8)
GeekBench: 3238 (v5.1)
GFXBench: 60fps (ES 3.1 onscreen)
DisplayContrast ratio: Infinite (nominal)
CameraPhoto / Video
Loudspeaker-26.4 LUFS (Good)
Battery life
Endurance rating 93h

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