: Ensure you have the latest Samsung Android USB Driver installed to allow proper communication. Manually Update in Device Manager : Open Device Manager .
: You can find the driver package (Version 20.36.7.262 or similar) on specialized driver repositories like or developer hubs like Run with Admin Rights : Right-click the installer and select "Run as Administrator" Exynos Usb Device-4.0.0.0-
The Exynos USB Device is a software component developed by Samsung Electronics, designed to facilitate communication between Samsung devices and computers via USB. This device driver enables users to connect their Samsung smartphones or tablets to a computer, allowing for data transfer, debugging, and other essential functions. : Ensure you have the latest Samsung Android
Samsung Exynos processors power a wide range of mobile devices, from flagship smartphones to embedded development boards. A fundamental requirement for these systems is robust Universal Serial Bus (USB) connectivity. The identifier Exynos USB Device-4.0.0.0- typically appears within operating system logs, hardware abstraction layers (HAL), or Windows Device Manager properties. This device driver enables users to connect their
: If your device appears under this name instead of its normal model name (e.g., "Galaxy S21"), it is likely in EUB (Exynos USB Boot) mode or USB-DL mode.
Samsung continues to update this driver. As of 2025, newer Exynos chips (e.g., Exynos 2200, 2400) and Windows 11’s improved USB4 support have led to driver versions like 4.1.2.0 or 5.0.0.0 . The 4.0.0.0 tag is now considered legacy but remains widely deployed due to long-term support for older devices (Galaxy S8/S9/Note9/A50, etc.).
Have a specific issue with an Exynos device? Leave a comment below or consult the XDA Developers forum thread dedicated to Samsung Download Mode drivers.