Samsung Galaxy S21 FE 5G is a samsung device (codename: sm-g9900). FirmwareMirror hosts 94 verified firmware builds, covering: CHC, BRI, TGY. 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 5G (sm-g9900). 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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| G9900ZHUCHYD9/G9900OZSCHYD9/G9900ZHUCHYD9 | Odin | 363.59 MB | 2025-04-01 |
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| G9900ZHU9GXG7/G9900OZS9GXG7/G9900ZHU9GXG7 | Odin | 403.34 MB | 2024-07-01 |
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| G9900ZHS9GXF3/G9900OZS9GXF3/G9900ZHS9GXF3 | Odin | 554.39 MB | 2024-06-01 |
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| G9900ZCS9GXF3/G9900CHC9GXF3/G9900ZCS9GXF3 | Odin | 583.56 MB | 2024-06-01 |
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| G9900ZCS9GXH2/G9900CHC9GXH2/G9900ZCS9GXH2 | Odin | 534.31 MB | 2024-08-01 |
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| G9900ZHS9GXH2/G9900OZS9GXH2/G9900ZHS9GXH2 | Odin | 401.78 MB | 2024-08-01 |
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| G9900ZCU9GXH1/G9900CHC9GXH1/G9900ZCU9GXH1 | Odin | 542.74 MB | 2024-08-01 |
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| G9900ZHS8GXF1/G9900OZS8GXF1/G9900ZHS8GXF1 | Odin | 561.14 MB | 2024-06-01 |
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| G9900ZHS8GXE1/G9900OZS8GXE1/G9900ZHS8GXE1 | Odin | 561.74 MB | 2024-05-01 |
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| G9900ZCS8GXE1/G9900CHC8GXE1/G9900ZCS8GXE1 | Odin | 592.3 MB | 2024-05-01 |
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| G9900ZCU7GXDE/G9900CHC7GXDE/G9900ZCU7GXDE | Odin | 593.71 MB | 2024-04-01 |
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| G9900ZHU7GXDE/G9900OZS7GXDE/G9900ZHU7GXDE | Odin | 565.66 MB | 2024-04-01 |
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| G9900ZHS7FXBB/G9900OZS7FXBB/G9900ZHS7FXBB | Odin | 2.16 GB | 2024-02-01 |
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| G9900ZHS7FXAB/G9900OZS7FXAB/G9900ZHS7FXAB | Odin | 2.16 GB | 2024-01-01 |
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| G9900ZHSBGXJ6/G9900OZSBGXJ6/G9900ZHSBGXJ6 | Odin | 378.18 MB | 2024-10-01 |
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| G9900ZCSBGXJ6/G9900CHCBGXJ6/G9900ZCSBGXJ6 | Odin | 511.12 MB | 2024-10-01 |
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| G9900ZHU6FWK7/G9900OZS6FWK7/G9900ZHU6FWK7 | Odin | 2.16 GB | 2023-11-01 |
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| G9900ZHU6EWH4/G9900OZS6EWH5/G9900ZHU6EWH4 | Odin | 294.86 MB | 2023-08-01 |
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| G9900ZCU6EWH4/G9900CHC6EWH4/G9900ZCU6EWH4 | Odin | 2.28 GB | 2023-08-01 |
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| G9900ZHS6FWL3/G9900OZS6FWL3/G9900ZHS6FWL3 | Odin | 2.16 GB | 2023-12-01 |
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| G9900ZHS6EWI1/G9900OZS6EWH5/G9900ZHU6EWH4 | Odin | 288.74 MB | 2023-09-01 |
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| G9900ZHS6EWJ1/G9900OZS6EWH5/G9900ZHS6EWJ1 | Odin | 2.32 GB | 2023-10-01 |
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| G9900ZCS6FXA1/G9900CHC6FXA1/G9900ZCS6FXA1 | Odin | 1.93 GB | 2024-01-01 |
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| G9900ZHS6FXA1/G9900OZS6FXA1/G9900ZHS6FXA1 | Odin | 2.16 GB | 2024-01-01 |
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| G9900ZCU6FWL1/G9900CHC6FWL1/G9900ZCU6FWL1 | Odin | 1.96 GB | 2023-12-01 |
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| G9900ZCS6EWG1/G9900CHC6EWG1/G9900ZCS6EWG1 | Odin | 1.04 GB | 2023-07-01 |
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| G9900ZHS6EWG1/G9900OZS6EWG1/G9900ZHS6EWG1 | Odin | 1.31 GB | 2023-07-01 |
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| G9900ZCSDHYE5/G9900CHCDHYE5/G9900ZCSDHYE5 | Odin | 466.05 MB | 2025-05-01 |
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| G9900ZHSDHYE5/G9900OZSDHYE5/G9900ZHSDHYE5 | Odin | 352.01 MB | 2025-05-01 |
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| G9900ZHU5EWE3/G9900OZS5EWE3/G9900ZHU5EWE3 | Odin | 1.32 GB | 2023-05-01 |
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| G9900ZCU5EWE3/G9900CHC5EWE3/G9900ZCU5EWF1 | Odin | 1.06 GB | 2023-05-01 |
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| G9900ZCSEHYF4/G9900CHCEHYF4/G9900ZCSEHYF4 | Odin | 463.32 MB | 2025-06-01 |
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| G9900ZHSEHYF4/G9900OZSEHYF4/G9900ZHSEHYF4 | Odin | 339.41 MB | 2025-06-01 |
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| G9900ZHSBGXL4/G9900OZSBGXL4/G9900ZHSBGXL4 | Odin | 331.58 MB | 2024-12-01 |
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| G9900ZHSAGXJ4/G9900OZSAGXJ4/G9900ZHSAGXJ4 | Odin | 394.85 MB | 2024-10-01 |
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| G9900ZCSAGXJ4/G9900CHCAGXJ4/G9900ZCSAGXJ4 | Odin | 530.42 MB | 2024-10-01 |
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| G9900ZHU4EWD4/G9900OZS4EWD4/G9900ZHU4EWD4 | Odin | 1.32 GB | 2023-04-01 |
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| G9900ZCU4EWD4/G9900CHC4EWD4/G9900ZCU4EWD4 | Odin | 1.07 GB | 2023-04-01 |
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| G9900ZHU4EWC2/G9900OZS4EWC2/G9900ZHU4EWC2 | Odin | 1.61 GB | 2023-03-01 |
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| G9900ZCU4EWC2/G9900CHC4EWC2/G9900ZCU4EWC2 | Odin | 1.35 GB | 2023-03-01 |
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| G9900ZHS4EWE1/G9900OZS4EWE1/G9900ZHS4EWE1 | Odin | 1.32 GB | 2023-05-01 |
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| G9900ZCSGHYI3/G9900CHCGHYI3/G9900ZCSGHYI3 | Odin | 2 GB | 2025-09-01 |
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| G9900ZHSGHYI3/G9900OZSGHYI3/G9900ZHSGHYI3 | Odin | 2.14 GB | 2025-09-01 |
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| G9900ZCSFHYG3/G9900CHCFHYG3/G9900ZCSFHYG3 | Odin | 316.93 MB | 2025-07-01 |
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| G9900ZHSFHYG3/G9900OZSFHYG3/G9900ZHSFHYG3 | Odin | 326.23 MB | 2025-07-01 |
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| G9900ZHSBGYA3/G9900OZSBGYA3/G9900ZHSBGYA3 | Odin | 321.81 MB | 2025-01-01 |
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| G9900ZCSBGYA3/G9900CHCBGYA3/G9900ZCSBGYA3 | Odin | 383.44 MB | 2025-01-01 |
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| G9900ZHU3DWA9/G9900OZS3DWA9/G9900ZHU3DWA9 | Odin | 2.07 GB | 2023-01-01 |
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| G9900ZCU3DWA9/G9900CHC3DWA9/G9900ZCU3DWA9 | Odin | 1.81 GB | 2023-01-01 |
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| G9900ZCU3DVK9/G9900CHC3DVK9/G9900ZCU3DVK9 | Odin | 1.85 GB | 2022-11-01 |
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| G9900ZHU3DVK9/G9900OZS3DVK9/G9900ZHU3DVK9 | Odin | 2.1 GB | 2022-11-01 |
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| G9900ZCU3DWA8/G9900CHC3DWA8/G9900ZCU3DVK9 | Odin | 1.85 GB | 2023-01-01 |
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| G9900ZHS3CVI3/G9900OZS3CVI3/G9900ZHS3CVI3 | Odin | 287.56 MB | 2022-09-01 |
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| G9900ZHS3DVL2/G9900OZS3DVL2/G9900ZHS3DVL2 | Odin | 2.1 GB | 2022-12-01 |
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| G9900ZCU3EWB2/G9900CHC3EWB2/G9900ZCU3EWB1 | Odin | 1.37 GB | 2023-02-01 |
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| G9900ZHU3EWB1/G9900OZS3EWB1/G9900ZHU3EWB1 | Odin | 1.63 GB | 2023-02-01 |
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| G9900ZHSHIYK2/G9900OZSHIYK2/G9900ZHSHIYK2 | Odin | 364.23 MB | 2025-11-01 |
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| G9900ZCSHIYK2/G9900CHCHIYK2/G9900ZCSHIYK2 | Odin | 359.77 MB | 2025-11-01 |
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| G9900ZHUGIYJ2/G9900OZSGIYJ2/G9900ZHUGIYJ2 | Odin | 369.03 MB | 2025-10-01 |
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| G9900ZCUGIYJ2/G9900CHCGIYJ2/G9900ZCUGIYJ2 | Odin | 481.27 MB | 2025-10-01 |
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| G9900ZHSCGYD2/G9900OZSCGYD2/G9900ZHSCGYD2 | Odin | 3.3 GB | 2025-04-01 |
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| G9900ZHSJIZB2/G9900OZSJIZB2/G9900ZHSJIZB1 | Odin | 363.93 MB | 2026-02-01 |
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| G9900ZCSJIZB2/G9900CHCJIZB2/G9900ZCSJIZB1 | Odin | 845.38 MB | 2026-02-01 |
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| G9900ZCSBGXL2/G9900CHCBGXL2/G9900ZCSBGXL1 | Odin | 416.85 MB | 2024-12-01 |
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| G9900ZCU2CVD9/G9900CHC2CVD9/G9900ZCU2CVD9 | Odin | 887.26 MB | 2022-04-01 |
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| G9900ZHU2CVD9/G9900OZS2CVD9/G9900ZHU2CVD9 | Odin | 1.07 GB | 2022-04-01 |
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| G9900ZHU2CVH6/G9900OZS2CVH6/G9900ZHU2CVH6 | Odin | 288.44 MB | 2022-08-01 |
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| G9900ZCU2CVF6/G9900CHC2CVF6/G9900ZCU2CVF6 | Odin | 667.73 MB | 2022-06-01 |
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| G9900ZCU2CVG5/G9900CHC2CVG5/G9900ZCU2CVG5 | Odin | 632.77 MB | 2022-07-01 |
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| G9900ZHU2CVF5/G9900OZS2CVF5/G9900ZHU2CVF5 | Odin | 635.74 MB | 2022-06-01 |
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| G9900ZHU2CVG4/G9900OZS2CVG4/G9900ZHU2CVG2 | Odin | 605.32 MB | 2022-07-01 |
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| G9900ZCU2CVE3/G9900CHC2CVE3/G9900ZCU2CVE3 | Odin | 886.18 MB | 2022-05-01 |
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| G9900ZCU2CVF2/G9900CHC2CVF2/G9900ZCU2CVF3 | Odin | 851.34 MB | 2022-06-01 |
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| G9900ZHS2CVD2/G9900OZS2CVD2/G9900ZHS2CVD1 | Odin | 1.28 GB | 2022-04-01 |
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| G9900ZCS2CVD1/G9900CHC2CVD1/G9900ZCS2CVD1 | Odin | 1.04 GB | 2022-04-01 |
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| G9900ZHSIIZA1/G9900OZSIIZA1/G9900ZHSIIZA1 | Odin | 316.87 MB | 2026-01-01 |
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| G9900ZCSIIZA1/G9900CHCIIZA1/G9900ZCSIIZA1 | Odin | 312.59 MB | 2026-01-01 |
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| G9900ZHSHIYL1/G9900OZSHIYL1/G9900ZHSHIYL1 | Odin | 325.02 MB | 2025-12-01 |
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| G9900ZCSHIYL1/G9900CHCHIYL1/G9900ZCSHIYL1 | Odin | 320.45 MB | 2025-12-01 |
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| G9900ZCSFHYG1/G9900CHCFHYG1/G9900ZCSFHYG1 | Odin | 436.78 MB | 2025-07-01 |
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| G9900ZHSFHYG1/G9900OZSFHYG1/G9900ZHSFHYG1 | Odin | 337.8 MB | 2025-07-01 |
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| G9900ZCSCGYC1/G9900CHCCGYC1/G9900ZCSCGYC1 | Odin | 2.94 GB | 2025-03-01 |
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| G9900ZHSCGYC1/G9900OZSCGYC1/G9900ZHSCGYC1 | Odin | 319.93 MB | 2025-03-01 |
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| G9900ZHSBGXL1/G9900OZSBGXL1/G9900ZHSBGXL1 | Odin | 345.08 MB | 2024-12-01 |
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| G9900ZCSBGXL1/G9900CHCBGXL1/G9900ZCSBGXL1 | Odin | 504.38 MB | 2024-12-01 |
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| G9900ZCU1BUK9/G9900CHC1BUK9/G9900ZCU1BUKA | Odin | 1.71 GB | 2021-11-01 |
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| G9900ZHU1BUL6/G9900OZS1BUL6/G9900ZHU1BUL6 | Odin | 2 GB | 2021-12-01 |
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| G9900ZCU1BUL6/G9900CHC1BUL6/G9900ZCU1BUL6 | Odin | 1.67 GB | 2021-12-01 |
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| G9900ZCU1AUH6/G9900CHC1AUH6/G9900ZCU1AUH6 | Odin | 264.92 MB | 2021-08-01 |
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| G9900ZHU1CVC3/G9900OZS1CVC3/G9900ZHU1CVC3 | Odin | 1.28 GB | 2022-03-01 |
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| G9900ZCU1CVC3/G9900CHC1CVC3/G9900ZCU1CVC3 | Odin | 1.04 GB | 2022-03-01 |
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| G9900ZHS1BVA3/G9900OZS1BVA3/G9900ZHS1BVA3 | Odin | 2 GB | 2022-01-01 |
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| G9900ZHU1BUKA/G9900OZS1BUKA/G9900ZHU1BUKA | Odin | 2.15 GB | 2021-11-01 |
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| G9900ZCUCHYDA/G9900CHCCHYDA/G9900ZCUCHYD9 | Odin | 470.7 MB | 2025-04-01 |
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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 |
|---|---|---|
| Features | HDR | |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS |
| Sound | Loudspeaker | Yes, with stereo speakers |
|---|---|---|
| 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) |
|---|---|---|
| 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 5G 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.
