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Samsung Galaxy Watch4 (SM-R865U) - Build R865USQS2JZE1

Stock Firmware • Download • Android 16

Samsung SM-R865U — Firmware R865USQS2JZE1

Device: Samsung Samsung Galaxy Watch4

Model Code: SM-R865U

Series: Galaxy R

Build Number: R865USQS2JZE1

Region (CSC): XAA

Android Version: v16

Release Date: 2026-06-23 00:00

User Rating: ★★★★☆ 9/10

Downloads: 282

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 Watch4. 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.