If you see an error about a driver signature or hash, this is often due to Windows security policies, especially on newer versions like Windows 10 and 11.
After installation, the device name should change to something like Samsung Mobile USB CDC Composite Device or Gadget Serial . The yellow triangle will disappear. This confirms your PC can now communicate with the Exynos boot ROM.
In essence, the "SEC, SYSTEM LSI Exynos USB Device 4.0.0.0" is a Windows software component, known as a driver, that facilitates communication between your computer and a Samsung electronic device that uses an Exynos processor. The "SEC" stands for Samsung Electronics Co., while "SYSTEM LSI" refers to the company's System LSI division, which is responsible for designing the Exynos line of processors. The driver is designed for Windows 64-bit systems, ranging from Windows 2000 to Windows 11. Exynos Usb Device-4.0.0.0-
: If Windows refuses to install the driver, you may need to Disable Driver Signature Enforcement via the Advanced Startup menu before attempting the installation.
Windows identifies this driver through a variety of unique Hardware IDs (VID/PID combinations), depending on the specific model and boot state of the attached device. Common identifiers include: USB\VID_04E8&PID_2910 USB\VID_04E8&PID_2917 USB\VID_04E8&PID_2918 USB\VID_090C&PID_1000 If you see an error about a driver
Common Glitches: Why USB Flash Drives Conflict with This Driver
file using an unbricking tool, provided the storage chip is not physically damaged. Are you trying to recover a bricked device , or do you just need the drivers for standard data transfer SEC, SYSTEM LSI Exynos USB Device 4.0.0.0 - DriverMax This confirms your PC can now communicate with
With Samsung increasingly moving to Snapdragon chips in global markets (Galaxy S23, S24 series), and the new Exynos 2400 featuring a more locked-down USB stack, the classic interface is disappearing. Modern Exynos devices now use a more secured USB mode that enumerates as Exynos USB Device (Runtime) or integrates with Google’s fastbootd. However, legacy devices (Galaxy S7 through S21 FE) will continue to rely on this interface for years.
[Download Driver Archive] │ ▼ [Extract .ZIP Package] ──► [Right-Click Setup.exe] ──► [Run as Administrator] │ ▼ [Connect Phone via USB] ──► [Open Device Manager] ──► [Verify COM/LPT Port Output] Step 1: Download the Files
Generally stable for file transfers and basic syncing, though some users report "moisture detected" or "device not recognized" errors that may require hardware checks. Samsung Android USB Driver
For basic file transfers, Windows often uses its own generic MTP driver, so you might not see this specific driver. However, for stability and to use all features—especially ADB, Fastboot, and Odin for flashing—installing this dedicated Samsung driver is highly recommended.