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Home / Firmware / SM-F721N / KOO

Firmware F721NKSS6IZA1

Device Galaxy Z Flip4

Model SM-F721N

Region KOO

OS Android 16

Release Date 1/8/2026

Upload Date 1/22/2026

PDA F721NKSS6IZA1

CSC F721NOKT6IZA1

Changelist 31998945

Size 9661380064 bytes (approx. 9.0 GB)

Samsung Galaxy Z Flip4 (SM-F721N) Android 16 Firmware (F721NKSS6IZA1) – KOO | SamFrew