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    Samsung Galaxy S21 Ultra (SM-G998B) - COO - G998BXXU9EWFB firmware

    Country
    Model SM-G998B
    Product Code COO
    Security Patch 2023-06-01
    OS Version Android 13
    PDA G998BXXU9EWFB
    CSC G998BOWO9EWFA
    Build Date 2023-08-17
    Changelist 26203421
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