Samsung Galaxy S21 Ultra is a samsung device (codename: sm-g998b). FirmwareMirror hosts 135 verified firmware builds, covering: 3IE, XSA, ACR, AMO, ARO. Available as official firmware. Last updated: March 2026. All files MD5-verified. Free, no registration.
Find and download official Stock ROM for Samsung Galaxy S21 Ultra (sm-g998b). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| G998BXXS9FWL9/G998BOXM9FWK2/G998BXXU9FWK2 | Odin | 2.25 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXU9EWI7/G998BOWE9EWI6/G998BXXU9EWI6 | Odin | 289.59 MB | 2023-09-01 |
N/A
|
Download |
| G998BXXU9EWH5/G998BOXM9EWH9/G998BXXU9EWH6 | Odin | 254.42 MB | 2023-08-01 |
N/A
|
Download |
| G998BXXS9FWL5/G998BOXM9FWK5/G998BXXU9FWK5 | Odin | 2.25 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXU9FWK5/G998BOXM9FWK5/G998BXXU9FWK5 | Odin | 2.26 GB | 2023-11-01 |
N/A
|
Download |
| G998BXXU9EWH5/G998BOXM9EWH5/G998BXXU9EWH5 | Odin | 276.47 MB | 2023-08-01 |
N/A
|
Download |
| G998BXXS9FWL4/G998BOXM9FWK3/G998BXXU9FWK2 | Odin | 2.25 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXU9FWK4/G998BOWO9FWL2/G998BXXU9FWK2 | Odin | 271.83 MB | 2023-11-01 |
N/A
|
Download |
| G998BXXU9FWL3/G998BOXM9FWL3/G998BXXU9FWL3 | Odin | 2.25 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXS9EWI3/G998BOWE9EWI3/G998BXXS9EWI3 | Odin | 1.17 GB | 2023-09-01 |
N/A
|
Download |
| G998BXXS9EWF3/G998BOXM9EWF3/G998BXXS9EWF3 | Odin | 1.36 GB | 2023-06-01 |
N/A
|
Download |
| G998BXXS9FXA3/G998BOXM9FXA3/G998BXXU9FWK2 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXU9FWK3/G998BOXM9FWK3/G998BXXU9FWK2 | Odin | 2.26 GB | 2023-11-01 |
N/A
|
Download |
| G998BXXS9FXA2/G998BOXM9FWK5/G998BXXU9FWK5 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXU9FWK2/G998BOXM9FWK2/G998BXXU9FWK2 | Odin | 2.26 GB | 2023-11-01 |
N/A
|
Download |
| G998BXXS9EWI1/G998BOXM9EWH9/G998BXXU9EWH6 | Odin | 250.22 MB | 2023-09-01 |
N/A
|
Download |
| G998BXXS9EWI1/G998BOXM9EWH5/G998BXXU9EWH5 | Odin | 272.27 MB | 2023-09-01 |
N/A
|
Download |
| G998BXXS9EWH1/G998BOXM9EWH1/G998BXXS9EWG9 | Odin | 1.36 GB | 2023-08-01 |
N/A
|
Download |
| G998BXXS9EWIA/G998BOXM9EWH9/G998BXXU9EWH6 | Odin | 243.19 MB | 2023-09-01 |
N/A
|
Download |
| G998BXXS9EWJO/G998BOXM9EWH9/G998BXXS9EWJR | Odin | 2.37 GB | 2023-10-01 |
N/A
|
Download |
| G998BXXS9EWJH/G998BOWO9EWI7/G998BXXS9EWJH | Odin | 241.44 MB | 2023-10-01 |
N/A
|
Download |
| G998BXXS9FXAM/G998BOXM9FWK5/G998BXXU9FWK5 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXS9EWJG/G998BOXM9EWH5/G998BXXU9EWH5 | Odin | 265.48 MB | 2023-10-01 |
N/A
|
Download |
| G998BXXS9EWIA/G998BOXM9EWH5/G998BXXU9EWH5 | Odin | 265.24 MB | 2023-09-01 |
N/A
|
Download |
| G998BXXS9FXAK/G998BOXM9FWL3/G998BXXU9FWL3 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXS9FWLA/G998BOXM9FWL3/G998BXXU9FWL3 | Odin | 2.25 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXS9FXAH/G998BOXM9FWK2/G998BXXU9FWK2 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXS9FXAJ/G998BOWO9FWL2/G998BXXU9FWK2 | Odin | 2.24 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXS9FWLD/G998BOWO9FWL2/G998BXXU9FWK2 | Odin | 2.23 GB | 2023-12-01 |
N/A
|
Download |
| G998BXXS9FWKB/G998BOXM9FWK2/G998BXXU9FWK2 | Odin | 2.25 GB | 2023-11-01 |
N/A
|
Download |
| G998BXXS9FXBH/G998BOWO9FWL2/G998BXXS9FXBD | Odin | 2.15 GB | 2024-02-01 |
N/A
|
Download |
| G998BXXS9FXAI/G998BOXM9FXAI/G998BXXU9FWK2 | Odin | 2.25 GB | 2024-01-01 |
N/A
|
Download |
| G998BXXS9FXBD/G998BOXM9FXBD/G998BXXS9FXBD | Odin | 2.25 GB | 2024-02-01 |
N/A
|
Download |
| G998BXXS9FXBE/G998BOXM9FXBE/G998BXXS9FXBE | Odin | 2.25 GB | 2024-02-01 |
N/A
|
Download |
| G998BXXS9FXBF/G998BOXM9FXBF/G998BXXS9FXBD | Odin | 2.25 GB | 2024-02-01 |
N/A
|
Download |
| G998BXXS9FXBG/G998BOXM9FXBG/G998BXXS9FXBG | Odin | 2.25 GB | 2024-02-01 |
N/A
|
Download |
| G998BXXS9EWJO/G998BOXM9EWJO/G998BXXS9EWJO | Odin | 2.37 GB | 2023-10-01 |
N/A
|
Download |
| G998BXXS9EWJQ/G998BOWE9EWJP/G998BXXS9EWJH | Odin | 2.44 GB | 2023-10-01 |
N/A
|
Download |
| G998BXXSCGXH8/G998BOWOCGXH5/G998BXXUCGXGC | Odin | 413.26 MB | 2024-08-01 |
N/A
|
Download |
| G998BXXU8EWF1/G998BOXM8EWF1/G998BXXU8EWF1 | Odin | 1.18 GB | 2023-06-01 |
N/A
|
Download |
| G998BXXUBGXE7/G998BOXMBGXE7/G998BXXUBGXE7 | Odin | 597.88 MB | 2024-05-01 |
N/A
|
Download |
| G998BXXSCGXH7/G998BOXMCGXGC/G998BXXUCGXGC | Odin | 533.49 MB | 2024-08-01 |
N/A
|
Download |
| G998BXXU7EWE6/G998BOXM7EWE6/G998BXXU7EWE1 | Odin | 1.38 GB | 2023-05-01 |
N/A
|
Download |
| G998BXXS7EWC4/G998BOWO7EWC4/G998BXXS7EWC4 | Odin | 1.09 GB | 2023-03-01 |
N/A
|
Download |
| G998BXXS7EWD3/G998BOXM7EWD3/G998BXXS7EWD3 | Odin | 1.28 GB | 2023-04-01 |
N/A
|
Download |
| G998BXXS7EWE2/G998BOWO7EWCK/G998BXXS7EWE2 | Odin | 491.69 MB | 2023-05-01 |
N/A
|
Download |
| G998BXXU7EWE1/G998BOXM7EWE1/G998BXXU7EWE1 | Odin | 1.36 GB | 2023-05-01 |
N/A
|
Download |
| G998BXXU7EWCH/G998BOXM7EWCH/G998BXXU7EWCH | Odin | 1.28 GB | 2023-03-01 |
N/A
|
Download |
| G998BXXSJHZA6/G998BOXMJHZA6/G998BXXSJHZA6 | Odin | 287.32 MB | 2026-01-01 |
N/A
|
Download |
| G998BXXSDGXI6/G998BOWEDGXI6/G998BXXSDGXI5 | Odin | 382.1 MB | 2024-09-01 |
N/A
|
Download |
| G998BXXS6DWA6/G998BOWO6DVL6/G998BXXS6DWA5 | Odin | 1.39 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXS6DWB2/G998BOWO6DVL6/G998BXXS6DWA5 | Odin | 1.6 GB | 2023-02-01 |
N/A
|
Download |
| G998BXXS6EWBB/G998BOXM6EWB5/G998BXXU6EWAF | Odin | 1.75 GB | 2023-02-01 |
N/A
|
Download |
| G998BXXU6EWAF/G998BOXM6EWB5/G998BXXU6EWAF | Odin | 1.75 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXS6EWBB/G998BOXM6EWAF/G998BXXU6EWAF | Odin | 1.75 GB | 2023-02-01 |
N/A
|
Download |
| G998BXXU6EWAF/G998BOXM6EWAF/G998BXXU6EWAF | Odin | 1.75 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXUEHYD5/G998BOXMEHYD5/G998BXXUEHYD5 | Odin | 357.73 MB | 2025-04-01 |
N/A
|
Download |
| G998BXXSDGXI5/G998BOXMDGXI5/G998BXXSDGXI5 | Odin | 524.98 MB | 2024-09-01 |
N/A
|
Download |
| G998BXXSCGXF5/G998BOXMCGXF5/G998BXXSCGXF5 | Odin | 589.81 MB | 2024-06-01 |
N/A
|
Download |
| G998BXXUCGXH5/G998BOWECGXH5/G998BXXUCGXGC | Odin | 393.58 MB | 2024-08-01 |
N/A
|
Download |
| G998BXXU5CVH7/G998BOXM5CVH7/G998BXXU5CVH7 | Odin | 224.39 MB | 2022-08-01 |
N/A
|
Download |
| G998BXXS5DWA7/G998BOXM5DWA3/G998BXXU5DVL2 | Odin | 2.12 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXU5CVI6/G998BOWE5CVI6/G998BXXU5CVI6 | Odin | 2 GB | 2022-09-01 |
N/A
|
Download |
| G998BXXS5DWA6/G998BOXM5DVKI/G998BXXU5DVL2 | Odin | 2.12 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXS5DWA4/G998BOXM5DVKF/G998BXXU5DVL2 | Odin | 2.01 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXU5DWA3/G998BOXM5DWA3/G998BXXU5DVL2 | Odin | 2.12 GB | 2023-01-01 |
N/A
|
Download |
| G998BXXU5DVK3/G998BOXM5DVK3/G998BXXU5DVJA | Odin | 2.1 GB | 2022-11-01 |
N/A
|
Download |
| G998BXXS5DVL3/G998BOXM5DVKF/G998BXXU5DVL2 | Odin | 2.01 GB | 2022-12-01 |
N/A
|
Download |
| G998BXXU5DVL2/G998BOWO5DVL5/G998BXXU5DVL1 | Odin | 1.7 GB | 2022-12-01 |
N/A
|
Download |
| G998BXXU5CVF2/G998BOXM5CVF2/G998BXXU5CVF3 | Odin | 684.75 MB | 2022-06-01 |
N/A
|
Download |
| G998BXXS5DVK1/G998BOXM5DVJC/G998BXXU5DVJA | Odin | 2.01 GB | 2022-11-01 |
N/A
|
Download |
| G998BXXS5CVIF/G998BOXM5CVH7/G998BXXU5CVH7 | Odin | 2.1 GB | 2022-09-01 |
N/A
|
Download |
| G998BXXS5CVHI/G998BOXM5CVH7/G998BXXU5CVH7 | Odin | 225.85 MB | 2022-08-01 |
N/A
|
Download |
| G998BXXU5CVGC/G998BOWO5CVG7/G998BXXU5CVG3 | Odin | 778.56 MB | 2022-07-01 |
N/A
|
Download |
| G998BXXS5DVKE/G998BOXM5DVK3/G998BXXU5DVJA | Odin | 2.1 GB | 2022-11-01 |
N/A
|
Download |
| G998BXXU5CVGB/G998BOXM5CVGB/G998BXXU5CVG3 | Odin | 610.6 MB | 2022-07-01 |
N/A
|
Download |
| G998BXXS5CVFB/G998BOXM5CVFB/G998BXXU5CVF3 | Odin | 681.65 MB | 2022-06-01 |
N/A
|
Download |
| G998BXXU5DVKF/G998BOXM5DVKF/G998BXXU5DVL2 | Odin | 2.12 GB | 2022-11-01 |
N/A
|
Download |
| G998BXXU5DVKI/G998BOXM5DVKI/G998BXXU5DVL2 | Odin | 2.12 GB | 2022-11-01 |
N/A
|
Download |
| G998BXXU5DVJC/G998BOXM5DVJC/G998BXXU5DVJA | Odin | 2.04 GB | 2022-10-01 |
N/A
|
Download |
| G998BXXS5CVEA/G998BOWO5CVDD/G998BXXU5CVDD | Odin | 1.19 GB | 2022-05-01 |
N/A
|
Download |
| G998BXXU5CVDD/G998BOXM5CVDD/G998BXXU5CVDD | Odin | 1.09 GB | 2022-04-01 |
N/A
|
Download |
| G998BXXSCGXF4/G998BOXMCGXF6/G998BXXSCGXF4 | Odin | 592.71 MB | 2024-06-01 |
N/A
|
Download |
| G998BXXSBGXE4/G998BOWEBGXE4/G998BXXSBGXDH | Odin | 551.28 MB | 2024-05-01 |
N/A
|
Download |
| G998BXXS4BVA8/G998BOXM4BULI/G998BXXU4BULG | Odin | 2.2 GB | 2022-01-01 |
N/A
|
Download |
| G998BXXU4CVC4/G998BOXM4CVC4/G998BXXU4CVC2 | Odin | 1.28 GB | 2022-03-01 |
N/A
|
Download |
| G998BXXU4CVD2/G998BOXM4CVD2/G998BXXU4CVC2 | Odin | 1.27 GB | 2022-04-01 |
N/A
|
Download |
| G998BXXU4BVB1/G998BOXM4BVB1/G998BXXU4BVB1 | Odin | 2.18 GB | 2022-02-01 |
N/A
|
Download |
| G998BXXS4CVCG/G998BOWO4CVB9/G998BXXU4CVC2 | Odin | 1.37 GB | 2022-03-01 |
N/A
|
Download |
| G998BXXS4BVAA/G998BOWO4BULG/G998BXXU4BULG | Odin | 1.74 GB | 2022-01-01 |
N/A
|
Download |
| G998BXXU4BULF/G998BOXM4BULI/G998BXXU4BULG | Odin | 2.2 GB | 2021-12-01 |
N/A
|
Download |
| G998BXXU3BUK8/G998BOXM3BUK8/G998BXXU3BUK8 | Odin | 2.03 GB | 2021-11-01 |
N/A
|
Download |
| G998BXXS3AUJ7/G998BOXM3AUIE/G998BXXU3AUIF | Odin | 2.61 GB | 2021-10-01 |
N/A
|
Download |
| G998BXXU3AUF6/G998BOXM3AUF6/G998BXXU3AUF9 | Odin | 1.02 GB | 2021-06-01 |
N/A
|
Download |
| G998BXXS3BUL6/G998BOXM3BUKG/G998BXXU3BUKG | Odin | 2.23 GB | 2021-12-01 |
N/A
|
Download |
| G998BXXU3AUG4/G998BOXM3AUG4/G998BXXU3AUG4 | Odin | 1015.03 MB | 2021-07-01 |
N/A
|
Download |
| G998BXXU3AUE1/G998BOXM3AUE1/G998BXXU3AUE1 | Odin | 1.15 GB | 2021-05-01 |
N/A
|
Download |
| G998BXXS3BUL1/G998BOXM3BUKG/G998BXXU3BUKG | Odin | 2.23 GB | 2021-12-01 |
N/A
|
Download |
| G998BXXS3AUFD/G998BOXM3AUF6/G998BXXU3AUF9 | Odin | 1.02 GB | 2021-06-01 |
N/A
|
Download |
| G998BXXS3BULC/G998BOXM3BUKG/G998BXXU3BUKG | Odin | 2.03 GB | 2021-12-01 |
N/A
|
Download |
| G998BXXU3BUKA/G998BOXM3BUKA/G998BXXU3BUKB | Odin | 2.04 GB | 2021-11-01 |
N/A
|
Download |
| G998BXXU3BUKG/G998BOXM3BUKG/G998BXXU3BUKG | Odin | 2.23 GB | 2021-11-01 |
N/A
|
Download |
| G998BXXU3AUIE/G998BOXM3AUIE/G998BXXU3AUIF | Odin | 222.97 MB | 2021-09-01 |
N/A
|
Download |
| G998BXXS3AUHD/G998BOXM3AUHB/G998BXXU3AUHB | Odin | 290.67 MB | 2021-08-01 |
N/A
|
Download |
| G998BXXU3AUHB/G998BOXM3AUHB/G998BXXU3AUHB | Odin | 290.99 MB | 2021-08-01 |
N/A
|
Download |
| G998BXXU3AUGM/G998BOXM3AUGM/G998BXXU3AUGM | Odin | 992.03 MB | 2021-07-01 |
N/A
|
Download |
| G998BXXSJHZC2/G998BOXMJHZC2/G998BXXSJHZA6 | Odin | 658.88 MB | 2026-03-01 |
N/A
|
Download |
| G998BXXSEGYA2/G998BOXMEGXL2/G998BXXSEGXL2 | Odin | 3.41 GB | 2025-01-01 |
N/A
|
Download |
| G998BXXSEGXL2/G998BOXMEGXL2/G998BXXSEGXL2 | Odin | 260.81 MB | 2024-12-01 |
N/A
|
Download |
| G998BXXU2AUC8/G998BOXM2AUC8/G998BXXU2AUC8 | Odin | 1.74 GB | 2021-03-01 |
N/A
|
Download |
| G998BXXS2AUBB/G998BOXM2AUBB/G998BXXU2AUBB | Odin | 2.03 GB | 2021-02-01 |
N/A
|
Download |
| G998BXXSIHYK1/G998BOXMIHYK1/G998BXXSIHYK1 | Odin | 302.67 MB | 2025-11-01 |
N/A
|
Download |
| G998BXXSHHYJ1/G998BOXMHHYJ1/G998BXXSHHYJ1 | Odin | 309.18 MB | 2025-10-01 |
N/A
|
Download |
| G998BXXSGHYH1/G998BOXMGHYH1/G998BXXSGHYH1 | Odin | 323.5 MB | 2025-08-01 |
N/A
|
Download |
| G998BXXSFHYE1/G998BOXMFHYE1/G998BXXSFHYE1 | Odin | 339.74 MB | 2025-05-01 |
N/A
|
Download |
| G998BXXSEGXK1/G998BOXMEGXJE/G998BXXUEGXJE | Odin | 297.11 MB | 2024-11-01 |
N/A
|
Download |
| G998BXXU1AUB9/G998BOXM1AUB9/G998BXXU1AUB8 | Odin | 2.03 GB | 2021-02-01 |
N/A
|
Download |
| G998BXXU1AUB6/G998BOXM1AUB6/G998BXXU1AUB6 | Odin | 2.07 GB | 2021-02-01 |
N/A
|
Download |
| G998BXXU1AUA4/G998BOXM1AUA4/G998BXXU1AUA4 | Odin | 2.15 GB | 2021-01-01 |
N/A
|
Download |
| G998BXXU1AUB3/G998BOXM1AUB3/G998BXXU1AUB3 | Odin | 2.2 GB | 2021-02-01 |
N/A
|
Download |
| G998BXXU1AUAC/G998BOXM1AUAC/G998BXXU1AUAC | Odin | 2.13 GB | 2021-01-01 |
N/A
|
Download |
| G998BXXU1ATLF/G998BOXM1ATLF/G998BXXU1ATLF | Odin | 2.2 GB | N/A |
N/A
|
Download |
| G998BXXSAFXCQ/G998BOWOAFWL2/G998BXXSAFXCL | Odin | 2.15 GB | 2024-03-01 |
N/A
|
Download |
| G998BXXUEGXJE/G998BOXMEGXJE/G998BXXUEGXJE | Odin | 305.11 MB | 2024-10-01 |
N/A
|
Download |
| G998BXXUCGXGC/G998BOXMCGXGC/G998BXXUCGXGC | Odin | 538.2 MB | 2024-07-01 |
N/A
|
Download |
| G998BXXSBGXEC/G998BOXMBGXEE/G998BXXSBGXEC | Odin | 594.99 MB | 2024-05-01 |
N/A
|
Download |
| G998BXXSBGXED/G998BOXMBGXED/G998BXXSBGXED | Odin | 593.35 MB | 2024-05-01 |
N/A
|
Download |
| G998BXXSBGXDH/G998BOXMBGXDG/G998BXXSBGXDH | Odin | 601.2 MB | 2024-04-01 |
N/A
|
Download |
| G998BXXSBGXDH/G998BOXMBGXDH/G998BXXSBGXDH | Odin | 601.21 MB | 2024-04-01 |
N/A
|
Download |
| G998BXXUAGXDA/G998BOXMAGXDA/G998BXXUAGXDA | Odin | 602.46 MB | 2024-04-01 |
N/A
|
Download |
| G998BXXUAGXDA/G998BOXMAGXDC/G998BXXUAGXDA | Odin | 602.48 MB | 2024-04-01 |
N/A
|
Download |
| G998BXXSAFXCL/G998BOXMAFXCL/G998BXXSAFXCL | Odin | 2.25 GB | 2024-03-01 |
N/A
|
Download |
| G998BXXSAFXCM/G998BOXMAFXCM/G998BXXSAFXCM | Odin | 2.25 GB | 2024-03-01 |
N/A
|
Download |
| G998BXXSAFXCO/G998BOXMAFXCO/G998BXXSAFXCO | Odin | 2.25 GB | 2024-03-01 |
N/A
|
Download |
| G998BXXSAFXCP/G998BOXMAFXCP/G998BXXSAFXCL | Odin | 2.25 GB | 2024-03-01 |
N/A
|
Download |
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 | |
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 Ultra 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.
