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Samsung Galaxy S24 (SM-S921U) Android 16 Firmware (S921USQS4CYL1) – ATT | SamFrew

Home / Firmware / SM-S921U / ATT

Firmware S921USQS4CYL1

Device Galaxy S24

Model SM-S921U

Region ATT

OS Android 16

Release Date 12/4/2025

Upload Date 12/18/2025

PDA S921USQS4CYL1

CSC S921UOYN4CYL1

Changelist 31998945

Size 13417032640 bytes (approx. 12.5 GB)