Find and download official MIUI firmware for Samsung Galaxy S21 Ultra (USA unlocked) (sm-g998u1). 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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| G998U1UEU9FWL3/G998U1OYM9FWL3/G998U1UEU9FWL3 | Odin | 2 B | 2023-12-01 |
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| G998U1UES9EWI3/G998U1OYM9EWI3/G998U1UES9EWI3 | Odin | 319 B | 2023-09-01 |
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| G998U1UEU9EWL2/G998U1OYM9EWL2/G998U1UEU9EWL2 | Odin | 2 B | 2023-12-01 |
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| G998U1UEU9EWI2/G998U1OYM9EWI2/G998U1UEU9EWI2 | Odin | 325 B | 2023-09-01 |
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| G998U1UES9EWK2/G998U1OWA9EWI2/G998U1UES9EWK1 | Odin | 2 B | 2023-11-01 |
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| G998U1UES9FXA1/G998U1OYM9FXA1/G998U1UES9FXA1 | Odin | 2 B | 2024-01-01 |
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| G998U1UES9EWK1/G998U1OYM9EWK1/G998U1UES9EWK1 | Odin | 315 B | 2023-11-01 |
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| G998U1UES9EWI1/G998U1OYM9EWI1/G998U1UES9EWI1 | Odin | 1 B | 2023-09-01 |
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| G998U1UES8EWF6/G998U1OYM8EWF6/G998U1UES8EWF6 | Odin | 1 B | 2023-06-01 |
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| G998U1UEU8EWF6/G998U1OWA8EWF6/G998U1UEU8EWF6 | Odin | 1 B | 2023-06-01 |
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| G998U1UES8EWG3/G998U1OYM8EWG3/G998U1UES8EWG3 | Odin | 1 B | 2023-07-01 |
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| G998U1UES8EWH2/G998U1OWA8EWF6/G998U1UEU8EWF6 | Odin | 1 B | 2023-08-01 |
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| G998U1UEU7EWF4/G998U1OYM7EWF4/G998U1UEU7EWF4 | Odin | 1 B | 2023-06-01 |
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| G998U1UES7EWE3/G998U1OWA7EWE3/G998U1UES7EWE2 | Odin | 1 B | 2023-05-01 |
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| G998U1UES7EWE1/G998U1OYM7EWE1/G998U1UES7EWE1 | Odin | 310 B | 2023-05-01 |
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| G998U1UESEGYA6/G998U1OWAEGYA6/G998U1UESEGYA6 | Odin | 3 B | 2025-01-01 |
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| G998U1UEUCGXG6/G998U1OWACGXG6/G998U1UEUCGXG6 | Odin | 394 B | 2024-07-01 |
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| G998U1UES6EWC9/G998U1OYM6EWC9/G998U1UES6EWC9 | Odin | 1 B | 2023-03-01 |
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| G998U1UES6EWD6/G998U1OYM6EWD6/G998U1UES6EWD6 | Odin | 334 B | 2023-04-01 |
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| G998U1UEU6EWD4/G998U1OWA6EWD4/G998U1UEU6EWD4 | Odin | 1 B | 2023-04-01 |
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| G998U1UEU6EWD1/G998U1OYM6EWD1/G998U1UEU6EWD1 | Odin | 343 B | 2023-04-01 |
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| G998U1UESEGYA5/G998U1OYMEGYA5/G998U1UESEGYA5 | Odin | 3 B | 2025-01-01 |
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| G998U1UEU5CVH9/G998U1OYM5CVH9/G998U1UEU5CVH9 | Odin | 267 B | 2022-08-01 |
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| G998U1UEU5CVG9/G998U1OYM5CVG9/G998U1UEU5CVG9 | Odin | 624 B | 2022-07-01 |
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| G998U1UES5CVI8/G998U1OYM5CVI8/G998U1UES5CVI8 | Odin | 2 B | 2022-09-01 |
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| G998U1UEU5CVE8/G998U1OYM5CVE8/G998U1UEU5CVE8 | Odin | 1 B | 2022-05-01 |
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| G998U1UES5BVA6/G998U1OYM5BVA6/G998U1UES5BVA6 | Odin | 2 B | 2022-01-01 |
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| G998U1UES5EWB5/G998U1OYM5EWB5/G998U1UES5EWB5 | Odin | 1 B | 2023-02-01 |
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| G998U1UES5CVF5/G998U1OYM5CVF5/G998U1UES5CVF5 | Odin | 638 B | 2022-06-01 |
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| G998U1UES5DWA4/G998U1OYM5DWA4/G998U1UES5DWA4 | Odin | 1 B | 2023-01-01 |
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| G998U1UEU5CVC4/G998U1OYM5CVC4/G998U1UEU5CVC4 | Odin | 1 B | 2022-03-01 |
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| G998U1UEU5DVK3/G998U1OYM5DVK3/G998U1UEU5DVK3 | Odin | 1 B | 2022-11-01 |
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| G998U1UES5DWB2/G998U1OYM5DWB2/G998U1UES5DWB2 | Odin | 1 B | 2023-02-01 |
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| G998U1UES5DWA2/G998U1OYM5DWA2/G998U1UES5DWA2 | Odin | 1 B | 2023-01-01 |
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| G998U1UEU5EWB1/G998U1OYM5EWB1/G998U1UEU5EWB1 | Odin | 1 B | 2023-02-01 |
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| G998U1UEU5DVL1/G998U1OYM5DVL1/G998U1UEU5DVL1 | Odin | 1 B | 2022-12-01 |
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| G998U1UEU5CVF1/G998U1OYM5CVF1/G998U1UEU5CVF1 | Odin | 670 B | 2022-06-01 |
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| G998U1UES5BVC1/G998U1OYM5BVC1/G998U1UES5BVC1 | Odin | 2 B | 2022-03-01 |
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| G998U1UES5CVLA/G998U1OWA5CVGB/G998U1UEU5CVGB | Odin | 2 B | 2022-12-01 |
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| G998U1UES5CVIH/G998U1OWA5CVGB/G998U1UEU5CVGB | Odin | 237 B | 2022-09-01 |
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| G998U1UES5CVHB/G998U1OYM5CVHB/G998U1UES5CVHB | Odin | 279 B | 2022-08-01 |
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| G998U1UEU5CVGB/G998U1OYM5CVGB/G998U1UEU5CVGB | Odin | 623 B | 2022-07-01 |
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| G998U1UEU5CVDC/G998U1OYM5CVDC/G998U1UEU5CVDC | Odin | 1 B | 2022-04-01 |
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| G998U1UES5CVCB/G998U1OYM5CVCB/G998U1UES5CVCB | Odin | 1 B | 2022-03-01 |
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| G998U1UEU5BULH/G998U1OYM5BULH/G998U1UEU5BULH | Odin | 2 B | 2021-12-01 |
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| G998U1UESEGXJ4/G998U1OYMEGXJ4/G998U1UESEGXJ4 | Odin | 337 B | 2024-10-01 |
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| G998U1UES4AUH9/G998U1OYM4AUH9/G998U1UES4AUH9 | Odin | 282 B | 2021-08-01 |
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| G998U1UEU4BUK7/G998U1OYM4BUK7/G998U1UEU4BUK7 | Odin | 1 B | 2021-11-01 |
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| G998U1UES4AUJ7/G998U1OYM4AUJ7/G998U1UES4AUJ7 | Odin | 2 B | 2021-10-01 |
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| G998U1UEU4AUI7/G998U1OYM4AUI7/G998U1UEU4AUI7 | Odin | 278 B | 2021-09-01 |
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| G998U1UEU4AUF5/G998U1OYM4AUF5/G998U1UEU4AUF5 | Odin | 1 B | 2021-06-01 |
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| G998U1UES4BULE/G998U1OYM4BULE/G998U1UES4BULE | Odin | 1 B | 2021-12-01 |
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| G998U1UES4BUKK/G998U1OYM4BUKK/G998U1UES4BUKK | Odin | 1 B | 2021-11-01 |
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| G998U1UEU4BUKF/G998U1OYM4BUKF/G998U1UEU4BUKF | Odin | 1 B | 2021-11-01 |
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| G998U1UES4AUIN/G998U1OYM4AUIN/G998U1UES4AUIN | Odin | 266 B | 2021-09-01 |
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| G998U1UEU4AUGQ/G998U1OYM4AUGQ/G998U1UEU4AUGQ | Odin | 286 B | 2021-07-01 |
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| G998U1UEU4AUGE/G998U1OYM4AUGE/G998U1UEU4AUGE | Odin | 1 B | 2021-07-01 |
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| G998U1UES4AUFD/G998U1OYM4AUFD/G998U1UES4AUFD | Odin | 1 B | 2021-06-01 |
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| G998U1UESDGXJ3/G998U1OWADGXJ3/G998U1UESDGXJ3 | Odin | 369 B | 2024-10-01 |
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| G998U1UESCGXF3/G998U1OYMCGXF3/G998U1UESCGXF3 | Odin | 346 B | 2024-06-01 |
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| G998U1UESAFXB3/G998U1OWAAFXB3/G998U1UESAFXB3 | Odin | 2 B | 2024-02-01 |
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| G998U1UES3AUE3/G998U1OYM3AUE3/G998U1UES3AUE3 | Odin | 1 B | 2021-05-01 |
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| G998U1UEU3AUDD/G998U1OYM3AUDD/G998U1UEU3AUDD | Odin | 1 B | 2021-04-01 |
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| G998U1UESHHYI2/G998U1OYMHHYI2/G998U1UESHHYI2 | Odin | 343 B | 2025-09-01 |
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| G998U1UESBGXE2/G998U1OWABGXE1/G998U1UESBGXE1 | Odin | 534 B | 2024-05-01 |
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| G998U1UEU2AUC8/G998U1OYM2AUC8/G998U1UEU2AUC8 | Odin | 1 B | 2021-03-01 |
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| G998U1UEU2AUB6/G998U1OYM2AUB6/G998U1UEU2AUB6 | Odin | 1 B | 2021-02-01 |
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| G998U1UESJHZB1/G998U1OYMJHZB1/G998U1UESJHZB1 | Odin | 3 B | 2026-02-01 |
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| G998U1UESIHYL1/G998U1OYMIHYL1/G998U1UESIHYL1 | Odin | 327 B | 2025-12-01 |
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| G998U1UESGHYF1/G998U1OYMGHYF1/G998U1UESGHYF1 | Odin | 350 B | 2025-06-01 |
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| G998U1UESFHYE1/G998U1OYMFHYE1/G998U1UESFHYE1 | Odin | 327 B | 2025-05-01 |
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| G998U1UESEGXL1/G998U1OYMEGXL1/G998U1UESEGXL1 | Odin | 318 B | 2024-12-01 |
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| G998U1UESDGXJ1/G998U1OYMDGXJ1/G998U1UESDGXJ1 | Odin | 317 B | 2024-10-01 |
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| G998U1UESCGXH1/G998U1OYMCGXH1/G998U1UESCGXH1 | Odin | 324 B | 2024-08-01 |
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| G998U1UESBGXF1/G998U1OYMBGXF1/G998U1UESBGXF1 | Odin | 356 B | 2024-06-01 |
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| G998U1UESBGXE1/G998U1OYMBGXE1/G998U1UESBGXE1 | Odin | 362 B | 2024-05-01 |
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| G998U1UESAFXD1/G998U1OYMAFXD1/G998U1UESAFXD1 | Odin | 2 B | 2024-04-01 |
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| G998U1UEU1AUA3/G998U1OYM1AUA3/G998U1UEU1AUA3 | Odin | 1 B | 2021-01-01 |
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| G998U1UEU1AUAJ/G998U1OYM1AUAJ/G998U1UEU1AUAJ | Odin | 1 B | 2021-01-01 |
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| G998U1UEU1AUAG/G998U1OYM1AUAG/G998U1UEU1AUAG | Odin | 1 B | 2021-01-01 |
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| G998U1UEU1ATLI/G998U1OYM1ATLI/G998U1UEU1ATLI | Odin | 2 B | N/A |
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| G998U1UESJHZAA/G998U1OYMJHZAA/G998U1UESJHZAA | Odin | 300 B | 2026-01-01 |
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| G998U1UEUEHYDA/G998U1OYMEHYDA/G998U1UEUEHYDA | Odin | 336 B | 2025-04-01 |
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| G998U1UESEGXLB/G998U1OYMEGXLB/G998U1UESEGXLB | Odin | 314 B | 2024-12-01 |
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| G998U1UESEGXLC/G998U1OWAEGXLC/G998U1UESEGXLC | Odin | 315 B | 2024-12-01 |
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| G998U1UEUCGXGB/G998U1OYMCGXGB/G998U1UEUCGXGB | Odin | 312 B | 2024-07-01 |
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| G998U1UEUAGXDE/G998U1OYMAGXDE/G998U1UEUAGXDE | Odin | 365 B | 2024-04-01 |
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| G998U1UESAFXBC/G998U1OYMAFXBC/G998U1UESAFXBC | Odin | 2 B | 2024-02-01 |
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| G998U1UESAFXAB/G998U1OYMAFXAB/G998U1UESAFXAB | Odin | 2 B | 2024-01-01 |
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Versions: SM-G998B, SM-G998B/DS (International); SM-G998U (USA); SM-G998U1 (USA unlocked); SM-G998W (Canada); SM-G998N (Korea); SM-G9980 (China)
| 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, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1 | |
| 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B | ||
| 5G bands | 2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 | |
| 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B | ||
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| Launch | Announced | 2021, January 14 |
|---|---|---|
| Status | Available. Released 2021, January 29 |
| Body | Dimensions | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in) |
|---|---|---|
| Weight | 227 g (Sub6), 229 g (mmWave) (8.01 oz) | |
| Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), 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) Stylus support |
| Display | Type | Dynamic AMOLED 2X, 120Hz, HDR10+, 1500 nits (peak) |
|---|---|---|
| Size | 6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio) | |
| Resolution | 1440 x 3200 pixels, 20:9 ratio (~515 ppi density) | |
| Protection | Corning Gorilla Glass Victus |
| Platform | OS | Android 11, up to 4 major Android upgrades, One UI 7 |
|---|---|---|
| Chipset | Exynos 2100 (5 nm) - International Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China | |
| CPU | Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China | |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
| Memory | Card slot | No |
|---|---|---|
| Internal | 128GB 8GB RAM, 128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM | |
| UFS 3.1 |
| Main Camera | Quad | 108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
|---|---|---|
| Features | Laser AF, LED flash, auto-HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/120/240fps, HDR10+, stereo sound rec., gyro-EIS |
| 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 |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct |
|---|---|---|
| Bluetooth | 5.2, A2DP, LE | |
| Positioning | GPS, GLONASS, BDS, GALILEO | |
| NFC | Yes | |
| Radio | FM radio (Snapdragon model only; market/operator dependent) | |
| 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 | 25W wired, PD3.0 15W wireless (Qi) 4.5W reverse wireless |
| Misc | Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy |
|---|---|---|
| Models | SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980 | |
| SAR | 0.77 W/kg (head) 1.02 W/kg (body) | |
| SAR EU | 0.71 W/kg (head) 1.58 W/kg (body) | |
| Price | $ 244.44 / € 235.72 / £ 212.99 |
| Our Tests | Performance | AnTuTu: 657150 (v8) GeekBench: 3518 (v5.1) GFXBench: 33fps (ES 3.1 onscreen) |
|---|---|---|
| Display | 1023 nits max brightness (measured) | |
| Camera | Photo / Video | |
| Loudspeaker | -25.5 LUFS (Very good) | |
| Battery (old) | Endurance rating 114h | |
⚠️ Warning: Flashing custom ROMs may void your warranty. Proceed at your own risk.
A: Yes, flashing official firmware is generally safe and won't void your warranty if done through official methods.
A: Recovery ROMs are flashed from recovery mode, while Fastboot ROMs require bootloader unlock and ADB tools.
A: Some devices allow downgrading, but it depends on the device and region. Check device-specific forums first.
A: If flashing fails, try using the official tool, ensure USB drivers are installed, and check device compatibility.
