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Samsung Galaxy Z Flip4 (SM-F721B) - Build F721BXXSAIZA1

Stock Firmware • Download • Android 16

Samsung SM-F721B — Firmware F721BXXSAIZA1

Device: Samsung Samsung Galaxy Z Flip4

Model Code: SM-F721B

Series: Galaxy F

Build Number: F721BXXSAIZA1

Region (CSC): ILP

Android Version: v16

Release Date: 2026-02-02 00:00

User Rating: ★★★★☆ 8.8/10

Downloads: 218

Important: This is an official Samsung Service ROM (4-file format). Use Odin to flash. Includes PIT partition. For repair/update purposes only.

Step-by-Step Flashing Instructions

  1. Preparation: Download this firmware file.
  2. Odin: Download Odin3 v3.14.4 or newer.
  3. Download Mode: Power off your Samsung Galaxy Z Flip4. Hold Vol Up + Vol Down and connect USB.
  4. Load Files: Open the downloaded firmware. Select BL, AP, CP, CSC files in Odin.
  5. Flash: Click Start. Wait for "PASS!" message.