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Home / Firmware / SM-F721B / ECO

Firmware F721BXXSBIZB6

Device Galaxy Z Flip4

Model SM-F721B

Region ECO

OS Android 16

Release Date 2/13/2026

Upload Date 3/3/2026

PDA F721BXXSBIZB6

CSC F721BOWOBIZB6

Changelist 31998945

Size 10860248912 bytes (approx. 10.1 GB)

Samsung Galaxy Z Flip4 (SM-F721B) Android 16 Firmware (F721BXXSBIZB6) – ECO | SamFrew