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Samsung Galaxy S25 (SM-S931B) - Build S931BXXS8BZB5

Stock Firmware • Download • Android 16

Samsung SM-S931B — Firmware S931BXXS8BZB5

Device: Samsung Samsung Galaxy S25

Model Code: SM-S931B

Series: Galaxy S

Build Number: S931BXXS8BZB5

Region (CSC): CHL

Android Version: v16

Release Date: 2026-03-17 00:00

User Rating: ★★★★☆ 9/10

Downloads: 252

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 S25. 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.