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    Samsung Galaxy S21 (SM-G991B) - O2U - G991BXXS9FWKB firmware

    Country
    Model SM-G991B
    Product Code O2U
    Security Patch 2023-12-01
    OS Version Android 14
    PDA G991BXXS9FWKB
    CSC G991BOXM9FWK2
    Build Date 2023-11-30
    Changelist 27764024
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    Flash instructions

    Download Odin 5 files help 1 file help
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