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Samsung Galaxy Z Flip4 (SM-F721B) Android 16 Firmware (F721BXXSAIYL1) – ECT | SamFrew

Home / Firmware / SM-F721B / ECT

Firmware F721BXXSAIYL1

Device Galaxy Z Flip4

Model SM-F721B

Region ECT

OS Android 16

Release Date 12/8/2025

Upload Date 12/18/2025

PDA F721BXXSAIYL1

CSC F721BOXMAIYIF

Changelist 31998945

Size 10873221472 bytes (approx. 10.1 GB)