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    Latest Samsung Galaxy S21 Ultra (SM-G998B) - O2U firmware

    Model Country/Carrier Date PDA Version
    SM-G998B United Kingdom (O2) 2024-10-16 G998BXXSDGXI5 14
    SM-G998B United Kingdom (O2) 2024-09-11 G998BXXSCGXH7 14
    SM-G998B United Kingdom (O2) 2024-08-20 G998BXXUCGXGC 14
    SM-G998B United Kingdom (O2) 2024-07-15 G998BXXSCGXF5 14
    SM-G998B United Kingdom (O2) 2024-06-10 G998BXXUBGXE7 14
    SM-G998B United Kingdom (O2) 2024-05-16 G998BXXSBGXDH 14
    SM-G998B United Kingdom (O2) 2024-05-09 G998BXXUAGXDA 14
    SM-G998B United Kingdom (O2) 2024-04-08 G998BXXSAFXCL 14
    SM-G998B United Kingdom (O2) 2024-03-13 G998BXXS9FXBD 14
    SM-G998B United Kingdom (O2) 2024-02-18 G998BXXS9FXAH 14
    SM-G998B United Kingdom (O2) 2024-01-17 G998BXXS9FWL9 14
    SM-G998B United Kingdom (O2) 2023-12-17 G998BXXS9FWKB 14
    SM-G998B United Kingdom (O2) 2023-11-26 G998BXXU9FWK2 14
    SM-G998B United Kingdom (O2) 2023-11-09 G998BXXS9EWJO 13
    SM-G998B United Kingdom (O2) 2023-10-25 G998BXXS9EWJG 13
    SM-G998B United Kingdom (O2) 2023-10-10 G998BXXS9EWIA 13
    SM-G998B United Kingdom (O2) 2023-09-19 G998BXXS9EWI1 13
    SM-G998B United Kingdom (O2) 2023-09-17 G998BXXU9EWH5 13
    SM-G998B United Kingdom (O2) 2023-08-10 G998BXXS9EWH1 13
    SM-G998B United Kingdom (O2) 2023-07-09 G998BXXS9EWF3 13
    SM-G998B United Kingdom (O2) 2023-05-23 G998BXXS7EWD3 13
    SM-G998B United Kingdom (O2) 2023-04-12 G998BXXU7EWCH 13
    SM-G998B United Kingdom (O2) 2023-03-13 G998BXXS6EWBB 13
    SM-G998B United Kingdom (O2) 2023-02-19 G998BXXU6EWAF 13
    SM-G998B United Kingdom (O2) 2023-01-18 G998BXXS5DWA4 13
    SM-G998B United Kingdom (O2) 2023-01-04 G998BXXS5DVL3 13
    SM-G998B United Kingdom (O2) 2022-12-25 G998BXXU5DVKF 13
    SM-G998B United Kingdom (O2) 2022-11-16 G998BXXS5DVK1 13
    SM-G998B United Kingdom (O2) 2022-10-11 G998BXXS5CVIF 12
    SM-G998B United Kingdom (O2) 2022-09-22 G998BXXS5CVHI 12
    SM-G998B United Kingdom (O2) 2022-09-04 G998BXXU5CVH7 12
    SM-G998B United Kingdom (O2) 2022-08-11 G998BXXU5CVGB 12
    SM-G998B United Kingdom (O2) 2022-07-11 G998BXXS5CVFB 12
    SM-G998B United Kingdom (O2) 2022-06-23 G998BXXU5CVF2 12
    SM-G998B United Kingdom (O2) 2022-05-09 G998BXXU5CVDD 12
    SM-G998B United Kingdom (O2) 2022-04-13 G998BXXU4CVD2 12
    SM-G998B United Kingdom (O2) 2022-03-20 G998BXXU4CVC4 12
    SM-G998B United Kingdom (O2) 2022-03-01 G998BXXU4BVB1 12
    SM-G998B United Kingdom (O2) 2022-01-09 G998BXXU4BULF 12
    SM-G998B United Kingdom (O2) 2021-12-26 G998BXXS3BULC 12
    SM-G998B United Kingdom (O2) 2021-11-30 G998BXXU3BUKG 12
    SM-G998B United Kingdom (O2) 2021-11-17 G998BXXU3BUK8 12
    SM-G998B United Kingdom (O2) 2021-11-03 G998BXXS3AUJ7 11
    SM-G998B United Kingdom (O2) 2021-10-04 G998BXXU3AUIE 11
    SM-G998B United Kingdom (O2) 2021-09-15 G998BXXS3AUHD 11
    SM-G998B United Kingdom (O2) 2021-09-02 G998BXXU3AUHB 11
    SM-G998B United Kingdom (O2) 2021-08-09 G998BXXU3AUGM 11
    SM-G998B United Kingdom (O2) 2021-07-19 G998BXXU3AUG4 11
    SM-G998B United Kingdom (O2) 2021-06-28 G998BXXU3AUF6 11
    SM-G998B United Kingdom (O2) 2021-05-11 G998BXXU3AUE1 11
    SM-G998B United Kingdom (O2) 2021-04-05 G998BXXU2AUC8 11
    SM-G998B United Kingdom (O2) 2021-03-07 G998BXXS2AUBB 11
    SM-G998B United Kingdom (O2) 2021-02-19 G998BXXU1AUB9 11
    SM-G998B United Kingdom (O2) 2021-01-25 G998BXXU1AUAC 11
    SM-G998B United Kingdom (O2) 2021-01-20 G998BXXU1AUA4 11
    SM-G998B United Kingdom (O2) 2021-01-14 G998BXXU1ATLF 11
    SM-G998B United Kingdom (O2) 2024-10-22 G998BXXSBGXED 14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-10-16 G998BXXSDGXI5
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-09-11 G998BXXSCGXH7
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-08-20 G998BXXUCGXGC
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-07-15 G998BXXSCGXF5
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-06-10 G998BXXUBGXE7
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-05-16 G998BXXSBGXDH
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-05-09 G998BXXUAGXDA
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-04-08 G998BXXSAFXCL
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-03-13 G998BXXS9FXBD
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-02-18 G998BXXS9FXAH
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-01-17 G998BXXS9FWL9
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-12-17 G998BXXS9FWKB
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-11-26 G998BXXU9FWK2
    Version
    14
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-11-09 G998BXXS9EWJO
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-10-25 G998BXXS9EWJG
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-10-10 G998BXXS9EWIA
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-09-19 G998BXXS9EWI1
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-09-17 G998BXXU9EWH5
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-08-10 G998BXXS9EWH1
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-07-09 G998BXXS9EWF3
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-05-23 G998BXXS7EWD3
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-04-12 G998BXXU7EWCH
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-03-13 G998BXXS6EWBB
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-02-19 G998BXXU6EWAF
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-01-18 G998BXXS5DWA4
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2023-01-04 G998BXXS5DVL3
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-12-25 G998BXXU5DVKF
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-11-16 G998BXXS5DVK1
    Version
    13
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-10-11 G998BXXS5CVIF
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-09-22 G998BXXS5CVHI
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-09-04 G998BXXU5CVH7
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-08-11 G998BXXU5CVGB
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-07-11 G998BXXS5CVFB
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-06-23 G998BXXU5CVF2
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-05-09 G998BXXU5CVDD
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-04-13 G998BXXU4CVD2
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-03-20 G998BXXU4CVC4
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-03-01 G998BXXU4BVB1
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2022-01-09 G998BXXU4BULF
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-12-26 G998BXXS3BULC
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-11-30 G998BXXU3BUKG
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-11-17 G998BXXU3BUK8
    Version
    12
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-11-03 G998BXXS3AUJ7
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-10-04 G998BXXU3AUIE
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-09-15 G998BXXS3AUHD
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-09-02 G998BXXU3AUHB
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-08-09 G998BXXU3AUGM
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-07-19 G998BXXU3AUG4
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-06-28 G998BXXU3AUF6
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-05-11 G998BXXU3AUE1
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-04-05 G998BXXU2AUC8
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-03-07 G998BXXS2AUBB
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-02-19 G998BXXU1AUB9
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-01-25 G998BXXU1AUAC
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-01-20 G998BXXU1AUA4
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2021-01-14 G998BXXU1ATLF
    Version
    11
    Model Country/Carrier
    SM-G998B United Kingdom (O2)
    Date PDA
    2024-10-22 G998BXXSBGXED
    Version
    14

    DOWNLOAD FIRMWARE

    READ FIRST

    We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing your device. SamMobile is not responsible for any damage caused by using the files on this website.