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Samsung Galaxy S23 Ultra official device image

Samsung Galaxy S23 Ultra

Brand samsung
Codename sm-s918b
Region AFG,ANC,ARO,CTI,UFN,PSN,XSA,OPS,TEL,VAU,MOB,BKD,BV
Official Firmware

Download Samsung Galaxy S23 Ultra Firmware

Samsung Galaxy S23 Ultra • Region: AFG,ANC,ARO,CTI,UFN,PSN,XSA,OPS,TEL,VAU,MOB,BKD,BV

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Firmware Downloads

Find and download official MIUI firmware for Samsung Galaxy S23 Ultra (sm-s918b). All firmware files include MD5 hash verification and are available for direct download.

Samsung Galaxy S23 Ultra

Version Method Size Release Date MD5 Hash Download
S918BXXS9EZB6/S918BOXM9EZB6/S918BXXS9EZB6 Odin 1 B N/A
S918BXXS9EZC1/S918BOXM9EZC1/S918BXXS9EZC1 Odin 435 B N/A
S918BXXS9EZCI/S918BOWO9EZCI/S918BXXS9EZD1 Odin 2 B N/A
S918BXXU9FZDP/S918BOXM9FZDP/S918BXXU9FZDP Odin 725 B N/A
S918BXXU8DYD9/S918BOXM8DYD9/S918BXXU8DYD9 Odin 514 B N/A
S918BXXS8DYG6/S918BOWO8DYG6/S918BXXS8DYG5 Odin 437 B N/A
S918BXXU8CYB6/S918BOWO8CYB6/S918BXXU8CYB4 Odin 374 B N/A
S918BXXS8EYK5/S918BOXM8EYK5/S918BXXU8EYI5 Odin 455 B N/A
S918BXXU8EYI5/S918BOXM8EYI5/S918BXXU8EYI5 Odin 383 B N/A
S918BXXS8DYG5/S918BOXM8DYG5/S918BXXS8DYG5 Odin 447 B N/A
S918BXXU8CYB4/S918BOXM8CYB4/S918BXXU8CYB4 Odin 360 B N/A
S918BXXS8DYI4/S918BOWO8DYI4/S918BXXS8DYI3 Odin 3 B N/A
S918BXXS8EYJ3/S918BOXM8EYJ3/S918BXXU8EYI5 Odin 506 B N/A
S918BXXS8DYI3/S918BOXM8DYI3/S918BXXS8DYI3 Odin 3 B N/A
S918BXXS8EYK2/S918BOXM8EYK2/S918BXXU8EYI5 Odin 500 B N/A
S918BXXS8DYG2/S918BOWO8DYG2/S918BXXS8DYG1 Odin 458 B N/A
S918BXXS8DYF2/S918BOWO8DYF2/S918BXXS8DYF1 Odin 470 B N/A
S918BXXS8EZA1/S918BOXM8EZA1/S918BXXU8EYI5 Odin 445 B N/A
S918BXXS8DYG1/S918BOXM8DYG1/S918BXXS8DYG1 Odin 458 B N/A
S918BXXS8DYF1/S918BOXM8DYF1/S918BXXS8DYF1 Odin 476 B N/A
S918BXXS8CYBD/S918BOXM8CYB4/S918BXXU8CYB4 Odin 4 B N/A
S918BXXU8DYDA/S918BOWO8DYDA/S918BXXU8DYD9 Odin 493 B N/A
S918BXXS8CYBE/S918BOWO8CYBE/S918BXXU8CYB4 Odin 4 B N/A
S918BXXS8DYDC/S918BOWO8DYDC/S918BXXS8DYDB Odin 483 B N/A
S918BXXS8DYDB/S918BOXM8DYDB/S918BXXS8DYDB Odin 492 B N/A
S918BXXS7CXK6/S918BOXM7CXK4/S918BXXU7CXK4 Odin 581 B N/A
S918BXXU7CXK4/S918BOXM7CXK4/S918BXXU7CXK4 Odin 594 B N/A
S918BXXS7CXL2/S918BOXM7CXK4/S918BXXU7CXK4 Odin 577 B N/A
S918BXXS6CXG8/S918BOXM6CXFC/S918BXXS6CXG8 Odin 2 B N/A
S918BXXU6CXH7/S918BOXM6CXH7/S918BXXU6CXH7 Odin 725 B N/A
S918BXXS6CXI4/S918BOXM6CXI4/S918BXXS6CXI4 Odin 720 B N/A
S918BXXU6CXI1/S918BOXM6CXI1/S918BXXU6CXI1 Odin 722 B N/A
S918BXXS6CXHA/S918BOXM6CXH7/S918BXXU6CXH7 Odin 720 B N/A
S918BXXS6CXGA/S918BOXM6CXFE/S918BXXS6CXGA Odin 2 B N/A
S918BXXS6CXFE/S918BOXM6CXFE/S918BXXS6CXFE Odin 2 B N/A
S918BXXS6CXFC/S918BOXM6CXFC/S918BXXS6CXFC Odin 2 B N/A
S918BXXS5CXE9/S918BOXM5CXE3/S918BXXU5CXE3 Odin 2 B N/A
S918BXXS5CXE7/S918BOXM5CXDE/S918BXXS5CXDE Odin 2 B N/A
S918BXXU5CXE3/S918BOXM5CXE3/S918BXXU5CXE3 Odin 2 B N/A
S918BXXS5CXDF/S918BOXM5CXDF/S918BXXS5CXDF Odin 2 B N/A
S918BXXS5CXDE/S918BOXM5CXDE/S918BXXS5CXDE Odin 2 B N/A
S918BXXS3AWF9/S918BOXM3AWF9/S918BXXS3AWF7 Odin 1 B N/A
S918BXXS3AWF7/S918BOXM3AWF7/S918BXXS3AWF7 Odin 1 B N/A
S918BXXS3BWK5/S918BOXM3BWJM/S918BXXU3BWJM Odin 3 B N/A
S918BXXU3CXD3/S918BOXM3CXD3/S918BXXU3CXD3 Odin 2 B N/A
S918BXXU3AWH3/S918BOXM3AWH3/S918BXXU3AWGJ Odin 390 B N/A
S918BXXS3BWL3/S918BOXM3BWJM/S918BXXS3BWL3 Odin 3 B N/A
S918BXXS3CXD2/S918BOXM3CXCF/S918BXXU3CXCF Odin 2 B N/A
S918BXXS3AWI1/S918BOXM3AWH3/S918BXXU3AWGJ Odin 381 B N/A
S918BXXS3AWIG/S918BOXM3AWH3/S918BXXS3AWIF Odin 3 B N/A
S918BXXS3BXAD/S918BOXM3BWJM/S918BXXS3BXA2 Odin 3 B N/A
S918BXXU3CXCF/S918BOXM3CXCF/S918BXXU3CXCF Odin 2 B N/A
S918BXXS3BXBD/S918BOXM3BWJM/S918BXXS3BXBB Odin 3 B N/A
S918BXXS3BWKC/S918BOXM3BWJM/S918BXXU3BWJM Odin 3 B N/A
S918BXXU3BWJM/S918BOXM3BWJM/S918BXXU3BWJM Odin 3 B N/A
S918BXXS3AWIF/S918BOXM3AWGJ/S918BXXS3AWIF Odin 3 B N/A
S918BXXS3AWHR/S918BOXM3AWGJ/S918BXXU3AWGJ Odin 382 B N/A
S918BXXU3AWGJ/S918BOXM3AWGJ/S918BXXU3AWGJ Odin 388 B N/A
S918BXXU2AWF3/S918BOXM2AWF3/S918BXXU2AWF1 Odin 1 B N/A
S918BXXU2AWF1/S918BOXM2AWF1/S918BXXU2AWF1 Odin 1 B N/A
S918BXXU1AWC8/S918BOXM1AWC8/S918BXXU1AWC8 Odin 2 B N/A
S918BXXU1AWA6/S918BOXM1AWA6/S918BXXU1AWA6 Odin 2 B N/A
S918BXXS1AWD1/S918BOXM1AWC8/S918BXXU1AWC8 Odin 2 B N/A
S918BXXU1AWCB/S918BOWO1AWCB/S918BXXU1AWCB Odin 2 B N/A
S918BXXU1AWBD/S918BOXM1AWBD/S918BXXU1AWBD Odin 2 B N/A
S918BXXS1AWBM/S918BOXM1AWBN/S918BXXU1AWBD Odin 2 B N/A
S918BXXU1AVKT/S918BOWO1AVKT/S918BXXU1AVKT Odin 2 B N/A

Device Specifications

NetworkTechnologyGSM / CDMA / HSPA / EVDO / LTE / 5G
2G bandsGSM 850 / 900 / 1800 / 1900
 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, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - International
 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G bands1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 75, 77, 78 SA/NSA/Sub6 - International
 1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
SpeedHSPA, LTE (CA), 5G
LaunchAnnounced2023, February 01
StatusAvailable. Released 2023, February 17
BodyDimensions163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight234 g (8.25 oz)
BuildGlass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM· Nano-SIM + eSIM
· Nano-SIM + Nano-SIM + eSIM (max 2 at a time)
 IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)
Armor aluminum frame
Stylus (Bluetooth integration, accelerometer, gyro)
DisplayTypeDynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Size6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Resolution1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density)
ProtectionCorning Gorilla Glass Victus 2
PlatformOSAndroid 13, up to 4 major Android upgrades, One UI 8.5
ChipsetQualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPUOcta-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPUAdreno 740
MemoryCard slotNo
Internal256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
 UFS 4.0
Main CameraQuad200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, OIS
10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, PDAF, OIS, 3x optical zoom
10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, PDAF, OIS, 10x optical zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video
FeaturesLaser AF, LED flash, auto-HDR, panorama
Video8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS
Selfie cameraSingle12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF
FeaturesHDR, HDR10+
Video4K@30/60fps, 1080p@30fps
SoundLoudspeaker Yes, with stereo speakers
3.5mm jack No
 High-bitrate audio support
CommsWLANWi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct
Bluetooth5.3, A2DP, LE
PositioningGPS, GALILEO, GLONASS, BDS, QZSS
NFCYes
RadioNo
USBUSB Type-C 3.2, OTG
FeaturesSensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
 Samsung DeX, Samsung Wireless DeX (desktop experience support)
Ultra Wideband (UWB) support
BatteryTypeLi-Ion 5000 mAh
Charging45W wired, PD3.0, 65% in 30 min
15W wireless (Qi)
4.5W reverse wireless
MiscColorsPhantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
ModelsSM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS
SAR1.12 W/kg (head)     0.92 W/kg (body)    
SAR EU0.96 W/kg (head)     1.40 W/kg (body)    
Price$ 449.95 / € 528.02 / £ 349.99 / ₹ 99,999
Our TestsPerformance AnTuTu: 1241531 (v9)
GeekBench: 4927 (v5.1)
3DMark: 3790 (Wild Life Extreme)
Display 1274 nits max brightness (measured)
Camera Photo / Video
Loudspeaker -25.6 LUFS (Very good)
Battery
Active use score 13:24h
Battery (old)
Endurance rating 126h
Data source: GSMArena

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How to Flash Firmware

Steps to Install Firmware:

  1. Download the ROM: Choose the appropriate firmware version above for your device region
  2. Backup Your Data: All data will be erased during flashing
  3. Unlock Bootloader: Required for some devices (check device-specific requirements)
  4. Download Tools: Download MIUI Flash Tool or use ADB/Fastboot
  5. Flash the ROM: Follow the tool's instructions to flash the downloaded firmware
  6. Verify: Restart and verify successful installation

⚠️ Warning: Flashing custom ROMs may void your warranty. Proceed at your own risk.

Frequently Asked Questions

Q: Is it safe to flash official firmware?

A: Yes, flashing official firmware is generally safe and won't void your warranty if done through official methods.

Q: What's the difference between Recovery and Fastboot ROMs?

A: Recovery ROMs are flashed from recovery mode, while Fastboot ROMs require bootloader unlock and ADB tools.

Q: Can I downgrade to an older firmware version?

A: Some devices allow downgrading, but it depends on the device and region. Check device-specific forums first.

Q: What if flashing fails?

A: If flashing fails, try using the official tool, ensure USB drivers are installed, and check device compatibility.