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Samsung Galaxy S24 (SM-S921U) Android 15 Firmware (S921USQS4BYF5) – ATT | SamFrew

Home / Firmware / SM-S921U / ATT

Firmware S921USQS4BYF5

Device Galaxy S24

Model SM-S921U

Region ATT

OS Android 15

Release Date 6/25/2025

Upload Date 7/17/2025

PDA S921USQS4BYF5

CSC S921UOYN4BYF5

Changelist 30959686

Size 13102464672 bytes (approx. 12.2 GB)