The device entry appearing in your Windows Device Manager indicates a Samsung Exynos-powered device (such as a Galaxy smartphone or tablet) connected to your computer in a low-level hardware communication mode. This driver is critical for developers, firmware flashers, and users attempting to recover bricked devices. What is the Exynos USB Device-4.0.0.0?
The driver is digitally signed by and is compatible with a wide range of Windows versions: Driver for SEC, SYSTEM LSI Exynos USB Device 4.0.0.0
Unlike the consumer-facing Samsung Android USB Driver used for basic file transfers and standard Android Debug Bridge (ADB) actions, the Exynos USB Device (4.0.0.0) driver maps the device as a in Windows. Hardware Identification Exynos Usb Device-4.0.0.0-
For technicians, this driver is integral to advanced tools like Samsung's ChimeraTool. This software utilizes the driver to access mode, a low-level interface comparable to Qualcomm's Emergency Download Mode (EDL). This allows professionals to perform boot repair on devices that are otherwise unresponsive, often by using a hardware test point (Test-Point) to force the phone into the correct mode.
Connect your Samsung device to your PC. Open Device Manager and expand "Ports (COM & LPT)". If you see "SEC, SYSTEM LSI Exynos USB Device 4.0.0.0" listed without a yellow exclamation mark, the driver is successfully installed. The device entry appearing in your Windows Device
Choose , then click Let me pick from a list of available drivers on my computer .
Locate (usually under "Other Devices" or "Universal Serial Bus devices"). Right-click the entry and select Update driver . Click Browse my computer for drivers . The driver is digitally signed by and is
Understanding this driver, its core functionality, and why it appears in your Device Manager is essential for developers, technicians, and everyday users troubleshooting connection or firmware failures. Technical Specifications