Samsung Galaxy S21 FE (USA unlocked) is a samsung device (codename: sm-g990u1). FirmwareMirror hosts 77 verified firmware builds, covering: ACG, PCT, AIO. Available as official firmware. Last updated: February 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S21 FE (USA unlocked) (sm-g990u1). 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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| G990U1UEU9EWI3/G990U1OYM9EWI3/G990U1UEU9EWI3 | Odin | 293.58 MB | 2023-09-01 |
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| G990U1UES9EWK3/G990U1OWA9EWK1/G990U1UES9EWK3 | Odin | 2.52 GB | 2023-11-01 |
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| G990U1UEU9FWL2/G990U1OYM9FWL2/G990U1UEU9FWL2 | Odin | 2.22 GB | 2023-12-01 |
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| G990U1UES9EWH2/G990U1OYM9EWH2/G990U1UES9EWH2 | Odin | 2.57 GB | 2023-08-01 |
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| G990U1UES9FXA1/G990U1OYM9FXA1/G990U1UES9FXA1 | Odin | 2.22 GB | 2024-01-01 |
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| G990U1UES9EWK1/G990U1OYM9EWK1/G990U1UES9EWK1 | Odin | 2.34 GB | 2023-11-01 |
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| G990U1UES9EWJ1/G990U1OYM9EWJ1/G990U1UES9EWJ1 | Odin | 296.57 MB | 2023-10-01 |
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| G990U1UES8EWF3/G990U1OYM8EWF3/G990U1UES8EWF3 | Odin | 303.34 MB | 2023-06-01 |
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| G990U1UES8EWG2/G990U1OYM8EWG2/G990U1UES8EWG2 | Odin | 298.41 MB | 2023-07-01 |
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| G990U1UES8EWH1/G990U1OWA8EWH1/G990U1UES8EWH1 | Odin | 379.95 MB | 2023-08-01 |
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| G990U1UEUCGXG7/G990U1OYMCGXG7/G990U1UEUCGXG7 | Odin | 315.82 MB | 2024-07-01 |
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| G990U1UESJHYI7/G990U1OWAJHYI7/G990U1UESJHYI6 | Odin | 2.37 GB | 2025-09-01 |
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| G990U1UESEGXL7/G990U1OWAEGXK1/G990U1UESEGXK1 | Odin | 316.01 MB | 2024-12-01 |
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| G990U1UEU7EWF4/G990U1OWA7EWF4/G990U1UEU7EWF2 | Odin | 414.56 MB | 2023-06-01 |
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| G990U1UES7EWE3/G990U1OYM7EWE3/G990U1UES7EWE3 | Odin | 299.48 MB | 2023-05-01 |
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| G990U1UEU7EWF2/G990U1OYM7EWF2/G990U1UEU7EWF2 | Odin | 318.46 MB | 2023-06-01 |
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| G990U1UESJHYI6/G990U1OYMJHYI6/G990U1UESJHYI6 | Odin | 2.34 GB | 2025-09-01 |
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| G990U1UESEGXJ6/G990U1OYMEGXJ6/G990U1UESEGXJ6 | Odin | 340.89 MB | 2024-10-01 |
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| G990U1UES6EWD5/G990U1OWA6EWD2/G990U1UES6EWD2 | Odin | 1.82 GB | 2023-04-01 |
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| G990U1UEU6EWEB/G990U1OWA6EWEB/G990U1UEU6EWDA | Odin | 460.2 MB | 2023-05-01 |
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| G990U1UEU6EWDA/G990U1OYM6EWDA/G990U1UEU6EWDA | Odin | 326.38 MB | 2023-04-01 |
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| G990U1UESGHYE5/G990U1OYMGHYE5/G990U1UESGHYE5 | Odin | 321.94 MB | 2025-05-01 |
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| G990U1UESEGXL5/G990U1OYMEGXL5/G990U1UESEGXL5 | Odin | 315.9 MB | 2024-12-01 |
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| G990U1UESDGXJ5/G990U1OWADGXJ5/G990U1UESDGXJ5 | Odin | 378.94 MB | 2024-10-01 |
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| G990U1UESEGYA5/G990U1OWAEGXK1/G990U1UESEGXK1 | Odin | 303.13 MB | 2025-01-01 |
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| G990U1UEU5EWB7/G990U1OYM5EWB7/G990U1UEU5EWB7 | Odin | 1.08 GB | 2023-02-01 |
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| G990U1UES5EWC2/G990U1OYM5EWC2/G990U1UES5EWC2 | Odin | 1.08 GB | 2023-03-01 |
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| G990U1UEUJIYJ4/G990U1OYMJIYJ4/G990U1UEUJIYJ4 | Odin | 313.2 MB | 2025-10-01 |
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| G990U1UESHHYF4/G990U1OYMHHYF4/G990U1UESHHYF4 | Odin | 322.42 MB | 2025-06-01 |
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| G990U1UESDGXJ4/G990U1OYMDGXJ4/G990U1UESDGXJ4 | Odin | 317.27 MB | 2024-10-01 |
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| G990U1UEU4EWB5/G990U1OYM4EWB5/G990U1UEU4EWB5 | Odin | 1.11 GB | 2023-02-01 |
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| G990U1UEU4CVI5/G990U1OYM4CVI5/G990U1UEU4CVI5 | Odin | 279.16 MB | 2022-09-01 |
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| G990U1UEU4CVJ2/G990U1OYM4CVJ2/G990U1UEU4CVJ2 | Odin | 275.29 MB | 2022-10-01 |
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| G990U1UEU4DWB2/G990U1OWA4DWB2/G990U1UEU4DVLC | Odin | 1.76 GB | 2023-02-01 |
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| G990U1UES4CWB1/G990U1OWA4CVJ2/G990U1UES4CVK1 | Odin | 2.34 GB | 2023-02-01 |
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| G990U1UES4CWA1/G990U1OWA4CVJ2/G990U1UES4CVK1 | Odin | 245.61 MB | 2023-01-01 |
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| G990U1UES4DWB1/G990U1OYM4DWB1/G990U1UES4DWB1 | Odin | 1.73 GB | 2023-02-01 |
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| G990U1UES4DWA1/G990U1OYM4DWA1/G990U1UES4DWA1 | Odin | 1.73 GB | 2023-01-01 |
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| G990U1UES4CVK1/G990U1OYM4CVK1/G990U1UES4CVK1 | Odin | 2.32 GB | 2022-11-01 |
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| G990U1UEU4DVLC/G990U1OYM4DVLC/G990U1UEU4DVLC | Odin | 1.73 GB | 2022-12-01 |
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| G990U1UESFGYC3/G990U1OWAFGYC3/G990U1UESFGYC3 | Odin | 3.4 GB | 2025-03-01 |
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| G990U1UESEGYA3/G990U1OYMEGYA3/G990U1UESEGYA3 | Odin | 279.4 MB | 2025-01-01 |
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| G990U1UESCGXF3/G990U1OYMCGXF3/G990U1UESCGXF3 | Odin | 488.85 MB | 2024-06-01 |
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| G990U1UES3CVF3/G990U1OYM3CVF3/G990U1UES3CVF3 | Odin | 356.77 MB | 2022-06-01 |
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| G990U1UES3CVD3/G990U1OYM3CVD3/G990U1UES3CVD3 | Odin | 1.15 GB | 2022-04-01 |
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| G990U1UEU3CVG2/G990U1OYM3CVG2/G990U1UEU3CVG2 | Odin | 608.92 MB | 2022-07-01 |
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| G990U1UEU3CVF2/G990U1OYM3CVF2/G990U1UEU3CVF2 | Odin | 635.53 MB | 2022-06-01 |
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| G990U1UES3CVD2/G990U1OYM3CVD2/G990U1UES3CVD2 | Odin | 289.63 MB | 2022-04-01 |
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| G990U1UESMIZB2/G990U1OYMMIZB2/G990U1UESMIZB2 | Odin | 1.4 GB | 2026-02-01 |
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| G990U1UESKIYK2/G990U1OYMKIYK2/G990U1UESKIYK2 | Odin | 348.12 MB | 2025-11-01 |
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| G990U1UESIHYG2/G990U1OWAIHYG2/G990U1UESIHYG2 | Odin | 339.28 MB | 2025-07-01 |
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| G990U1UESFGYD2/G990U1OYMFGYD2/G990U1UESFGYD2 | Odin | 3.39 GB | 2025-04-01 |
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| G990U1UESEGXK2/G990U1OYMEGXK2/G990U1UESEGXK2 | Odin | 313.68 MB | 2024-11-01 |
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| G990U1UESCGXH2/G990U1OYMCGXH2/G990U1UESCGXH2 | Odin | 313.18 MB | 2024-08-01 |
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| G990U1UEU2BUL8/G990U1OYM2BUL8/G990U1UEU2BUL8 | Odin | 1.91 GB | 2021-12-01 |
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| G990U1UEU2BUK5/G990U1OYM2BUK5/G990U1UEU2BUK5 | Odin | 1.91 GB | 2021-11-01 |
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| G990U1UEU2CVC3/G990U1OYM2CVC3/G990U1UEU2CVC3 | Odin | 1.23 GB | 2022-03-01 |
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| G990U1UES2BVA3/G990U1OYM2BVA3/G990U1UES2BVA3 | Odin | 1.54 GB | 2022-01-01 |
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| G990U1UEU2AUI1/G990U1OWA2AUH6/G990U1UEU2AUI1 | Odin | 2.59 GB | 2021-09-01 |
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| G990U1UEU2BVA1/G990U1OWA2BVA1/G990U1UEU2BUL8 | Odin | 1.99 GB | 2022-01-01 |
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| G990U1UES2CVC1/G990U1OWA2CVC1/G990U1UES2CVC1 | Odin | 1.93 GB | 2022-03-01 |
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| G990U1UEUCGXH1/G990U1OWACGXH2/G990U1UEUCGXH1 | Odin | 395.71 MB | 2024-08-01 |
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| G990U1UESLIZA1/G990U1OYMLIZA1/G990U1UESLIZA1 | Odin | 316.05 MB | 2026-01-01 |
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| G990U1UESKIYL1/G990U1OYMKIYL1/G990U1UESKIYL1 | Odin | 321.42 MB | 2025-12-01 |
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| G990U1UESIHYH1/G990U1OYMIHYH1/G990U1UESIHYH1 | Odin | 325.5 MB | 2025-08-01 |
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| G990U1UESIHYG1/G990U1OYMIHYG1/G990U1UESIHYG1 | Odin | 324.68 MB | 2025-07-01 |
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| G990U1UESFGYC1/G990U1OYMFGYC1/G990U1UESFGYC1 | Odin | 319.42 MB | 2025-03-01 |
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| G990U1UESEGXK1/G990U1OWAEGXK1/G990U1UESEGXK1 | Odin | 364.68 MB | 2024-11-01 |
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| G990U1UESBGXF1/G990U1OYMBGXF1/G990U1UESBGXF1 | Odin | 494.35 MB | 2024-06-01 |
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| G990U1UESBGXE1/G990U1OYMBGXE1/G990U1UESBGXE1 | Odin | 501.33 MB | 2024-05-01 |
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| G990U1UESAFXD1/G990U1OYMAFXD1/G990U1UESAFXD1 | Odin | 2.22 GB | 2024-04-01 |
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| G990U1UESAFXC1/G990U1OYMAFXC1/G990U1UESAFXC1 | Odin | 2.22 GB | 2024-03-01 |
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| G990U1UEUFHYE1/G990U1OWAFHYE1/G990U1UEUFHYDA | Odin | 370.1 MB | 2025-05-01 |
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| G990U1UEU1AUG7/G990U1OWA1AUG7/G990U1UEU1AUG7 | Odin | 417.92 MB | 2021-07-01 |
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| G990U1UEUFHYDA/G990U1OYMFHYDA/G990U1UEUFHYDA | Odin | 329.31 MB | 2025-04-01 |
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| G990U1UEUAGXDE/G990U1OYMAGXDE/G990U1UEUAGXDE | Odin | 501.19 MB | 2024-04-01 |
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| G990U1UESAFXAA/G990U1OYMAFXAA/G990U1UESAFXAA | Odin | 2.23 GB | 2024-01-01 |
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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, 17, 20, 26, 28, 32, 38, 40, 41, 66 - International | |
| 1, 2, 3, 4, 5, 7, 12, 13, 29, 25, 26, 28, 38, 39, 40, 41, 46, 48, 66, 71 - USA | ||
| 5G bands | 1, 3, 5, 8, 20, 28, 38, 40, 41, 66, 78 SA/NSA/Sub6 - International | |
| 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - USA | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (5CA) Cat19 1600/200 Mbps, 5G |
| Launch | Announced | 2022, January 04 |
|---|---|---|
| Status | Available. Released 2022, January 07 |
| Body | Dimensions | 155.7 x 74.5 x 7.9 mm (6.13 x 2.93 x 0.31 in) |
|---|---|---|
| Weight | 177 g (6.24 oz) | |
| Build | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | |
| SIM | · Nano-SIM · 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+ |
|---|---|---|
| Size | 6.4 inches, 100.5 cm2 (~86.7% screen-to-body ratio) | |
| Resolution | 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density) | |
| Protection | Corning Gorilla Glass Victus |
| Platform | OS | Android 12, up to 4 major Android upgrades, One UI 8 |
|---|---|---|
| Chipset | Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1 Exynos 2100 (5 nm) - Version 2 | |
| CPU | Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1 Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Version 2 | |
| GPU | Adreno 660 - Version 1 Mali-G78 MP14 - Version 2 |
| Memory | Card slot | No |
|---|---|---|
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM | |
| UFS 3.1 |
| Main Camera | Triple | 12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, dual pixel PDAF, OIS 8 MP, f/2.4, 76mm (telephoto), 1/4.5", 1.0µm, PDAF, OIS, 3x optical zoom 12 MP, f/2.2, 13mm, 123˚ (ultrawide), 1/3.0", 1.12µm |
|---|---|---|
| Features | LED flash, auto-HDR, panorama | |
| Video | 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, gyro-EIS |
| Selfie camera | Single | 32 MP, f/2.2, 26mm (wide), 1/2.74", 0.8µm |
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| Features | HDR | |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Sound | Loudspeaker | Yes, with stereo speakers |
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| 3.5mm jack | No | |
| 32-bit/384kHz audio |
| 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 | Unspecified | |
| USB | USB Type-C, OTG |
| Features | Sensors | Fingerprint (under display, optical), accelerometer, gyro, proximity, compass |
|---|---|---|
| Samsung DeX (desktop experience support) |
| Battery | Type | Li-Ion 4500 mAh |
|---|---|---|
| Charging | 25W wired, PD3.0, 50% in 30 min 15W wireless Reverse wireless |
| Misc | Colors | White, Graphite, Lavender, Olive |
|---|---|---|
| Models | SM-G990B, SM-G990B/DS, SM-G990U, SM-G990U1, SM-G990W, SM-G990E, SM-G9900, SM-G990B2, SM-G990U2, SM-G990W2, SM-G990U3 | |
| SAR | 0.77 W/kg (head) 0.90 W/kg (body) | |
| SAR EU | 0.95 W/kg (head) 1.48 W/kg (body) | |
| Price | $ 145.00 / € 249.44 / £ 159.99 / ₹ 37,999 |
| Our Tests | Performance | AnTuTu: 566529 (v8), 719696 (v9) GeekBench: 3049 (v5.1) GFXBench: 56fps (ES 3.1 onscreen) |
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| Display | 792 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -26.9 LUFS (Good) | |
| Battery (old) | Endurance rating 92h | |
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 S21 FE (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.
