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Samsung Galaxy Z Flip4 (SM-F721B) Android 16 Firmware (F721BXXSAIZA1) – XID | SamFrew

Home / Firmware / SM-F721B / XID

Firmware F721BXXSAIZA1

Device Galaxy Z Flip4

Model SM-F721B

Region XID

OS Android 16

Release Date 1/6/2026

Upload Date 1/26/2026

PDA F721BXXSAIZA1

CSC F721BOLEAIYIF

Changelist 31998945

Size 10776000528 bytes (approx. 10.0 GB)