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    Samsung Galaxy S21 (SM-G991B) - XSA - G991BXXS9FWL4 firmware

    Country
    Model SM-G991B
    Product Code XSA
    Security Patch 2023-12-01
    OS Version Android 14
    PDA G991BXXS9FWL4
    CSC G991BOXM9FWK3
    Build Date 2023-12-6
    Changelist 27764024
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    Flash instructions

    Download Odin 5 files help 1 file help
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