Samsung Galaxy S23 Ultra (USA) is a samsung device (codename: sm-s918u). FirmwareMirror hosts 57 verified firmware builds, covering: CCT, DSA, TMB, USC, TMK. Available as official firmware. Last updated: May 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S23 Ultra (USA) (sm-s918u). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
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| S918USQS7EZB6/S918UOYN7EZB6/S918USQS7EZB6 | Odin | 1.29 GB | 2026-02-01 |
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| S918USQU7FZE2/S918UOYN7FZE2/S918USQU7FZE2 | Odin | 411.3 MB | 2026-05-01 |
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| S918USQS7EZC1/S918UOYN7EZC1/S918USQS7EZC1 | Odin | 426.06 MB | 2026-03-01 |
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| S918USQS7EZCI/S918UOYN7EZCI/S918USQS7EZCI | Odin | 651.8 MB | 2026-03-01 |
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| S918USQU6DYD9/S918UOYN6DYD9/S918USQU6DYD9 | Odin | 435.7 MB | 2025-04-01 |
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| S918USQU6EYI7/S918UOYN6EYI7/S918USQU6EYI7 | Odin | 421.02 MB | 2025-09-01 |
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| S918USQS6EYJ5/S918UOYN6EYJ5/S918USQS6EYJ5 | Odin | 424.59 MB | 2025-10-01 |
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| S918USQS6DYG5/S918UOYN6DYG5/S918USQS6DYG5 | Odin | 436.35 MB | 2025-07-01 |
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| S918USQS6EYK3/S918UOYN6EYK3/S918USQS6EYK3 | Odin | 453.05 MB | 2025-11-01 |
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| S918USQS6DYI3/S918UOYN6DYI3/S918USQS6DYI3 | Odin | 3.2 GB | 2025-09-01 |
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| S918USQS6DYF3/S918UOYN6DYF3/S918USQS6DYF3 | Odin | 422.56 MB | 2025-06-01 |
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| S918USQS6CYB3/S918UOYN6CYB3/S918USQS6CYB3 | Odin | 4.79 GB | 2025-02-01 |
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| S918USQS6EZA1/S918UOYN6EZA1/S918USQS6EZA1 | Odin | 424.54 MB | 2026-01-01 |
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| S918USQS6EYL1/S918UOYN6EYL1/S918USQS6EYL1 | Odin | 418.27 MB | 2025-12-01 |
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| S918USQS6DYG1/S918UOYN6DYG1/S918USQS6DYG1 | Odin | 428.84 MB | 2025-07-01 |
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| S918USQS6DYDB/S918UOYN6DYDB/S918USQS6DYDB | Odin | 434.17 MB | 2025-04-01 |
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| S918USQS5CXI8/S918UOYN5CXI8/S918USQS5CXI8 | Odin | 622.66 MB | 2024-09-01 |
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| S918USQS5CXL7/S918UOYN5CXL7/S918USQS5CXL7 | Odin | 429.72 MB | 2024-12-01 |
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| S918USQU5CYB1/S918UOYN5CYB1/S918USQU5CYB1 | Odin | 415.1 MB | 2025-02-01 |
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| S918USQS5CXJX/S918UOYN5CXJX/S918USQS5CXJX | Odin | 436.56 MB | 2024-10-01 |
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| S918USQU5CXJT/S918UOYN5CXJT/S918USQU5CXJT | Odin | 568.26 MB | 2024-10-01 |
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| S918USQU5CXJR/S918UOYN5CXJR/S918USQU5CXJR | Odin | 569.76 MB | 2024-10-01 |
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| S918USQS4CXE9/S918UOYN4CXE9/S918USQS4CXE9 | Odin | 2.92 GB | 2024-05-01 |
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| S918USQS4CXG8/S918UOYN4CXG8/S918USQS4CXG8 | Odin | 2.96 GB | 2024-07-01 |
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| S918USQU4CXH7/S918UOYN4CXH7/S918USQU4CXH7 | Odin | 651.8 MB | 2024-08-01 |
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| S918USQS4CXI4/S918UOYN4CXI4/S918USQS4CXI4 | Odin | 643.5 MB | 2024-09-01 |
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| S918USQU4CXI1/S918UOYN4CXI1/S918USQU4CXI1 | Odin | 644.59 MB | 2024-09-01 |
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| S918USQS4CXHC/S918UOYN4CXHC/S918USQS4CXHC | Odin | 411.3 MB | 2024-08-01 |
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| S918USQS3CXD7/S918UOYN3CXD7/S918USQS3CXD7 | Odin | 2.76 GB | 2024-04-01 |
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| S918USQS3CXE3/S918UOYN3CXE3/S918USQS3CXE3 | Odin | 2.69 GB | 2024-05-01 |
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| S918USQS2BWL7/S918UOYN2BWL7/S918USQS2BWL7 | Odin | 3.51 GB | 2023-12-01 |
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| S918USQS2CXCN/S918UOYN2CXCN/S918USQS2CXCN | Odin | 2.69 GB | 2024-03-01 |
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| S918USQU2CXCG/S918UOYN2CXCG/S918USQU2CXCG | Odin | 2.76 GB | 2024-03-01 |
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| S918USQS2BXBD/S918UOYN2BXBD/S918USQS2BXBD | Odin | 3.5 GB | 2024-02-01 |
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| S918USQS2BXAD/S918UOYN2BXAD/S918USQS2BXAD | Odin | 3.51 GB | 2024-01-01 |
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| S918USQS2BWKA/S918UOYN2BWKA/S918USQS2BWKA | Odin | 3.51 GB | 2023-11-01 |
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| S918USQS1AWC9/S918UOYN1AWC9/S918USQS1AWC9 | Odin | 2.56 GB | 2023-03-01 |
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| S918USQU1ZWI8/S918UOYN1ZWI8/S918USQU1ZWI8 | Odin | 1.41 GB | 2023-09-01 |
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| S918USQU1AWC8/S918UOYN1AWC8/S918USQU1AWC8 | Odin | 2.56 GB | 2023-03-01 |
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| S918USQU1AWA6/S918UOYN1AWA6/S918USQU1AWA6 | Odin | 2.75 GB | 2023-01-01 |
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| S918USQU1BWK4/S918UOYN1BWK4/S918USQU1BWK4 | Odin | 3.51 GB | 2023-11-01 |
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| S918USQU1AWF3/S918UOYN1AWF3/S918USQU1AWF3 | Odin | 1.34 GB | 2023-06-01 |
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| S918USQS1AWIF/S918UOYN1AWIF/S918USQS1AWIF | Odin | 3.13 GB | 2023-09-01 |
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| S918USQS1AWIH/S918UOYN1AWIH/S918USQS1AWIH | Odin | 3.13 GB | 2023-09-01 |
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| S918USQU1ZWIB/S918UOYN1ZWIB/S918USQU1ZWIB | Odin | 1.41 GB | 2023-09-01 |
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| S918USQS1AWHD/S918UOYN1AWHD/S918USQS1AWHD | Odin | 394.65 MB | 2023-08-01 |
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| S918USQU1AWHI/S918UOYN1AWHI/S918USQU1AWHI | Odin | 395.77 MB | 2023-08-01 |
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| S918USQU1ZWHA/S918UOYN1ZWHA/S918USQU1ZWHA | Odin | 2.31 GB | 2023-08-01 |
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| S918USQU1ZWHO/S918UOYN1ZWHO/S918USQU1ZWHO | Odin | 2.05 GB | 2023-08-01 |
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| S918USQU1AWGH/S918UOYN1AWGH/S918USQU1AWGH | Odin | 394.82 MB | 2023-07-01 |
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| S918USQS1AWFD/S918UOYN1AWFD/S918USQS1AWFD | Odin | 1.33 GB | 2023-06-01 |
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| S918USQU1AWCD/S918UOYN1AWCD/S918USQU1AWCD | Odin | 2.56 GB | 2023-03-01 |
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| S918USQU1AWBE/S918UOYN1AWBE/S918USQU1AWBE | Odin | 2.7 GB | 2023-02-01 |
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| S918USQU1AWBD/S918UOYN1AWBD/S918USQU1AWBD | Odin | 2.7 GB | 2023-02-01 |
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| S918USQS1AWBL/S918UOYN1AWBL/S918USQS1AWBL | Odin | 2.7 GB | 2023-02-01 |
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| S918USQS1AWBM/S918UOYN1AWBM/S918USQS1AWBM | Odin | 2.7 GB | 2023-02-01 |
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| S918USQU1AVKT/S918UOYN1AVKT/S918USQU1AVKT | Odin | 3.32 GB | 2022-11-01 |
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| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| CDMA 800 / 1900 & TD-SCDMA | ||
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | |
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 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 bands | 1, 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 | ||
| Speed | HSPA, LTE (CA), 5G |
| Launch | Announced | 2023, February 01 |
|---|---|---|
| Status | Available. Released 2023, February 17 |
| Body | Dimensions | 163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in) |
|---|---|---|
| Weight | 234 g (8.25 oz) | |
| Build | Glass 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) |
| Display | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak) |
|---|---|---|
| Size | 6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio) | |
| Resolution | 1440 x 3088 pixels, 19.3:9 ratio (~500 ppi density) | |
| Protection | Corning Gorilla Glass Victus 2 |
| Platform | OS | Android 13, up to 4 major Android upgrades, One UI 8.5 |
|---|---|---|
| Chipset | Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) | |
| CPU | Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) | |
| GPU | Adreno 740 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM | |
| UFS 4.0 |
| Main Camera | Quad | 200 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 |
|---|---|---|
| Features | Laser AF, LED flash, auto-HDR, panorama | |
| Video | 8K@24/30fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| Selfie camera | Single | 12 MP, f/2.2, 26mm (wide), 1/3.2", 1.12µm, dual pixel PDAF |
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| Features | HDR, HDR10+ | |
| Video | 4K@30/60fps, 1080p@30fps |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| High-bitrate audio support |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.3, A2DP, LE | |
| Positioning | GPS, GALILEO, GLONASS, BDS, QZSS | |
| NFC | Yes | |
| Radio | No | |
| USB | USB Type-C 3.2, OTG |
| Features | Sensors | Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer |
|---|---|---|
| Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support |
| Battery | Type | Li-Ion 5000 mAh |
|---|---|---|
| Charging | 45W wired, PD3.0, 65% in 30 min 15W wireless (Qi) 4.5W reverse wireless |
| Misc | Colors | Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition |
|---|---|---|
| Models | SM-S918B, SM-S918B/DS, SM-S918U, SM-S918U1, SM-S918W, SM-S918N, SM-S9180, SM-S918E, SM-S918E/DS | |
| SAR | 1.12 W/kg (head) 0.92 W/kg (body) | |
| SAR EU | 0.96 W/kg (head) 1.40 W/kg (body) | |
| Price | $ 449.95 / € 528.02 / £ 349.99 / ₹ 99,999 |
| Our Tests | Performance | 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 | |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: Samsung Galaxy S23 Ultra (USA) firmware is flashed using Odin. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
