Samsung Galaxy S20 Ultra (USA unlocked) is a samsung device (codename: sm-g988u1). FirmwareMirror hosts 68 verified firmware builds, covering: AIO, ACG, PCT. Available as official firmware. Last updated: March 2025. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S20 Ultra (USA unlocked) (sm-g988u1). 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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| G988U1UES9HXE2/G988U1OYM9HXE2/G988U1UES9HXE2 | Odin | 298.84 MB | 2024-05-01 |
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| G988U1UES8HXC1/G988U1OYM8HXC1/G988U1UES8HXC1 | Odin | 316.69 MB | 2024-03-01 |
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| G988U1UES8HXA1/G988U1OYM8HXA1/G988U1UES8HXA1 | Odin | 317.7 MB | 2024-01-01 |
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| G988U1UES8HWL1/G988U1OYM8HWL1/G988U1UES8HWL1 | Odin | 329.94 MB | 2023-12-01 |
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| G988U1UES8HWK1/G988U1OYM8HWK1/G988U1UES8HWK1 | Odin | 330.38 MB | 2023-11-01 |
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| G988U1UES7HWJ4/G988U1OYM7HWJ4/G988U1UES7HWJ4 | Odin | 337.59 MB | 2023-10-01 |
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| G988U1UES7HWK1/G988U1OWA7HWK1/G988U1UES7HWK1 | Odin | 327.78 MB | 2023-11-01 |
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| G988U1UES7HWJ1/G988U1OYM7HWJ1/G988U1UES7HWJ1 | Odin | 339.82 MB | 2023-10-01 |
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| G988U1UES7HWI1/G988U1OYM7HWI1/G988U1UES7HWI1 | Odin | 342 MB | 2023-09-01 |
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| G988U1UES6HWG6/G988U1OYM6HWG6/G988U1UES6HWG6 | Odin | 1.26 GB | 2023-07-01 |
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| G988U1UES6HWF3/G988U1OYM6HWF3/G988U1UES6HWF3 | Odin | 271.96 MB | 2023-06-01 |
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| G988U1UEU6HWHD/G988U1OYM6HWHD/G988U1UEU6HWHD | Odin | 348.03 MB | 2023-08-01 |
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| G988U1UES6HWHB/G988U1OWA6HWHB/G988U1UES6HWHB | Odin | 1.27 GB | 2023-08-01 |
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| G988U1UEU5HWF2/G988U1OYM5HWF2/G988U1UEU5HWF2 | Odin | 280.61 MB | 2023-06-01 |
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| G988U1UES5HWE1/G988U1OYM5HWE1/G988U1UES5HWE1 | Odin | 286.5 MB | 2023-05-01 |
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| G988U1UES4HWD5/G988U1OYM4HWD5/G988U1UES4HWD5 | Odin | 310.26 MB | 2023-04-01 |
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| G988U1UEU4HWD1/G988U1OYM4HWD1/G988U1UEU4HWD1 | Odin | 321.15 MB | 2023-04-01 |
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| G988U1UES4HWCB/G988U1OYM4HWCB/G988U1UES4HWCB | Odin | 1.07 GB | 2023-03-01 |
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| G988U1UES3FVI6/G988U1OYM3FVI6/G988U1UES3FVI6 | Odin | 257.33 MB | 2022-09-01 |
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| G988U1UES3HWB5/G988U1OYM3HWB5/G988U1UES3HWB5 | Odin | 1.08 GB | 2023-02-01 |
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| G988U1UEU3GVL5/G988U1OYM3GVL5/G988U1UEU3GVL5 | Odin | 1.65 GB | 2022-12-01 |
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| G988U1UEU3FVI5/G988U1OYM3FVI5/G988U1UEU3FVI5 | Odin | 252.78 MB | 2022-09-01 |
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| G988U1UES3FVK4/G988U1OYM3FVK4/G988U1UES3FVK4 | Odin | 2 GB | 2022-11-01 |
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| G988U1UEU3HWB3/G988U1OYM3HWB3/G988U1UEU3HWB3 | Odin | 1.08 GB | 2023-02-01 |
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| G988U1UES3GWA2/G988U1OYM3GWA2/G988U1UES3GWA2 | Odin | 1.65 GB | 2023-01-01 |
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| G988U1UES3FVJ2/G988U1OWA3FVH1/G988U1UEU3FVH1 | Odin | 221.35 MB | 2022-10-01 |
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| G988U1UES3GWA1/G988U1OYM3GWA1/G988U1UES3GWA1 | Odin | 1.65 GB | 2023-01-01 |
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| G988U1UES3FVL1/G988U1OWA3FVH1/G988U1UEU3FVH1 | Odin | 2.09 GB | 2022-12-01 |
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| G988U1UES3FVK1/G988U1OYM3FVK1/G988U1UES3FVK1 | Odin | 263.09 MB | 2022-11-01 |
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| G988U1UEU3FVH1/G988U1OYM3FVH1/G988U1UEU3FVH1 | Odin | 925.54 MB | 2022-08-01 |
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| G988U1UES2DUJ7/G988U1OYM2DUJ7/G988U1UES2DUJ7 | Odin | 251.67 MB | 2021-10-01 |
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| G988U1UES2DUG6/G988U1OYM2DUG6/G988U1UES2DUG6 | Odin | 680.35 MB | 2021-07-01 |
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| G988U1UES2FVE5/G988U1OYM2FVE5/G988U1UES2FVE5 | Odin | 273.98 MB | 2022-05-01 |
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| G988U1UES2DUI5/G988U1OYM2DUI5/G988U1UES2DUI5 | Odin | 239.33 MB | 2021-09-01 |
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| G988U1UES2EVF5/G988U1OWA2EVF2/G988U1UES2EVF5 | Odin | 1.46 GB | 2022-06-01 |
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| G988U1UEU2FVE4/G988U1OYM2FVE4/G988U1UEU2FVE4 | Odin | 848.38 MB | 2022-05-01 |
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| G988U1UES2DUD4/G988U1OYM2DUD4/G988U1UES2DUD4 | Odin | 1.04 GB | 2021-04-01 |
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| G988U1UES2FVF3/G988U1OYM2FVF3/G988U1UES2FVF3 | Odin | 831.51 MB | 2022-06-01 |
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| G988U1UES2EVD3/G988U1OYM2EVD3/G988U1UES2EVD3 | Odin | 1.31 GB | 2022-04-01 |
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| G988U1UES2EVB3/G988U1OYM2EVB3/G988U1UES2EVB3 | Odin | 253 MB | 2022-02-01 |
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| G988U1UES2EVD2/G988U1OYM2EVD2/G988U1UES2EVD2 | Odin | 1.32 GB | 2022-04-01 |
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| G988U1UEU2EVA2/G988U1OYM2EVA2/G988U1UEU2EVA2 | Odin | 1.52 GB | 2022-01-01 |
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| G988U1UES2DUL2/G988U1OYM2DUL2/G988U1UES2DUL2 | Odin | 2.37 GB | 2021-12-01 |
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| G988U1UES2DUH2/G988U1OYM2DUH2/G988U1UES2DUH2 | Odin | 250.33 MB | 2021-08-01 |
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| G988U1UES2DUE2/G988U1OYM2DUE2/G988U1UES2DUE2 | Odin | 972.81 MB | 2021-05-01 |
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| G988U1UES2DUG2/G988U1OWA2DUDA/G988U1UEU2DUE1 | Odin | 967.3 MB | 2021-07-01 |
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| G988U1UES2EVC1/G988U1OWA2EVA2/G988U1UES2EVC1 | Odin | 1.53 GB | 2022-03-01 |
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| G988U1UEU2FVG1/G988U1OWA2FVG1/G988U1UEU2FVG1 | Odin | 304.18 MB | 2022-07-01 |
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| G988U1UES2EVE1/G988U1OYM2EVE1/G988U1UES2EVE1 | Odin | 1.27 GB | 2022-05-01 |
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| G988U1UES2DUL1/G988U1OWA2DUH1/G988U1UES2DUK1 | Odin | 2.37 GB | 2021-12-01 |
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| G988U1UES2DUK1/G988U1OYM2DUK1/G988U1UES2DUK1 | Odin | 259.67 MB | 2021-11-01 |
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| G988U1UEU2DUH1/G988U1OYM2DUH1/G988U1UEU2DUH1 | Odin | 246.38 MB | 2021-08-01 |
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| G988U1UEU2DUG1/G988U1OYM2DUG1/G988U1UEU2DUG1 | Odin | 688.13 MB | 2021-07-01 |
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| G988U1UEU2DUE1/G988U1OYM2DUE1/G988U1UEU2DUE1 | Odin | 973.25 MB | 2021-05-01 |
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| G988U1UESCHYC1/G988U1OYMCHYC1/G988U1UESCHYC1 | Odin | 372.61 MB | 2025-03-01 |
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| G988U1UESCHXL1/G988U1OYMCHXL1/G988U1UESCHXL1 | Odin | 272.4 MB | 2024-12-01 |
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| G988U1UESBHXJ1/G988U1OYMBHXJ1/G988U1UESBHXJ1 | Odin | 294.34 MB | 2024-10-01 |
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| G988U1UESAHXG1/G988U1OYMAHXG1/G988U1UESAHXG1 | Odin | 274.29 MB | 2024-07-01 |
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| G988U1UEU1DUB7/G988U1OYM1DUB7/G988U1UEU1DUB7 | Odin | 1.21 GB | 2021-02-01 |
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| G988U1UES1DUC5/G988U1OYM1DUC5/G988U1UES1DUC5 | Odin | 606.33 MB | 2021-03-01 |
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| G988U1UES1CTL5/G988U1OYM1CTL5/G988U1UES1CTL5 | Odin | 1.76 GB | N/A |
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| G988U1UEU1DUC3/G988U1OWA1DUC4/G988U1UEU1DUC3 | Odin | 1.21 GB | 2021-03-01 |
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| G988U1UES1CUA2/G988U1OYM1CUA2/G988U1UES1CUA2 | Odin | 1.78 GB | 2021-01-01 |
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| G988U1UES1DUB2/G988U1OWA1CTKJ/G988U1UEU1CTKJ | Odin | 1.75 GB | 2021-02-01 |
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| G988U1UEU1DUCC/G988U1OYM1DUCC/G988U1UEU1DUCC | Odin | 1.04 GB | 2021-03-01 |
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| G988U1UES1DUBA/G988U1OYM1DUBA/G988U1UES1DUBA | Odin | 1.21 GB | 2021-02-01 |
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| G988U1UEU1CTLB/G988U1OYM1CTLB/G988U1UEU1CTLB | Odin | 1.78 GB | N/A |
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| G988U1UEU1CTKJ/G988U1OYM1CTKJ/G988U1UEU1CTKJ | Odin | 1.76 GB | N/A |
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Also available with 5G
Also known as Samsung Galaxy S20 Ultra LTE
| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE |
|---|---|---|
| 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 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps |
| Launch | Announced | 2020, February 11 |
|---|---|---|
| Status | Available. Released 2020, March 15 |
| Body | Dimensions | 166.9 x 76 x 8.8 mm (6.57 x 2.99 x 0.35 in) |
|---|---|---|
| Weight | 220 g (7.76 oz) | |
| Build | Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame | |
| SIM | · Nano-SIM + eSIM · Nano-SIM + Nano-SIM | |
| IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) |
| Display | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1400 nits (peak) |
|---|---|---|
| Size | 6.9 inches, 114.0 cm2 (~89.9% screen-to-body ratio) | |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~511 ppi density) | |
| Protection | Corning Gorilla Glass 6 | |
| 120Hz@FHD/60Hz@QHD refresh rate |
| Platform | OS | Android 10, upgradable to Android 13, One UI 5 |
|---|---|---|
| Chipset | Exynos 990 (7 nm+) Qualcomm SM8250 Snapdragon 865 5G (7 nm+) | |
| CPU | Octa-core (2x2.73 GHz Mongoose M5 & 2x2.50 GHz Cortex-A76 & 4x2.0 GHz Cortex-A55) Octa-core (1x2.84 GHz Cortex-A77 & 3x2.42 GHz Cortex-A77 & 4x1.80 GHz Cortex-A55) | |
| GPU | Mali-G77 MP11 Adreno 650 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 128GB 12GB RAM, 512GB 16GB RAM | |
| UFS 3.0 |
| Main Camera | Triple | 108 MP, f/1.8, 26mm (wide), 1/1.33", 0.8µm, PDAF, OIS 48 MP, f/3.5, 103mm (periscope telephoto), 1/2.0", 0.8µm, PDAF, OIS, 4x optical zoom, 10x hybrid zoom 12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, Super Steady video 0.3 MP, TOF 3D, f/1.0, (depth) |
|---|---|---|
| Features | LED flash, auto-HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS |
| Selfie camera | Single | 40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF |
|---|---|---|
| Features | HDR | |
| Video | 4K@30/60fps, 1080p@30fps |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 3.5mm jack | No | |
| High-bitrate audio support Tuned by AKG |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Radio | FM radio (USA & Canada only) | |
| 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) ANT+ |
| Battery | Type | Li-Ion 5000 mAh |
|---|---|---|
| Charging | 45W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Misc | Colors | Cosmic Grey, Cosmic Black, Cloud White |
|---|---|---|
| Models | SM-G988B/DS | |
| SAR | 0.94 W/kg (head) 0.95 W/kg (body) | |
| SAR EU | 0.32 W/kg (head) 1.56 W/kg (body) | |
| Price | About 690 EUR |
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 S20 Ultra (USA unlocked) 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.
