The device is identified in the Windows Device Manager under a COM port as "Exynos USB Device 4.0.0.0". Primary Uses Emergency Recovery : It allows specialized software like MultiDownloader Chimera Tool to communicate with the hardware's low-level bootloader. Unbricking
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.
The versioning is part of the legacy driver identification used by Windows to communicate with the chipset's serial interface. Exynos Usb Device-4.0.0.0-
The driver is essential for tools like MultiDownloader or ChimeraTool to flash bootloader binaries (e.g., sboot.bin ) to devices in exynos-usbdl mode.
If you want, I can:
: If you are trying to transfer files and only see this entry, you may need the standard Samsung Android USB Driver to recognize the device as a standard media player (MTP). SEC, SYSTEM LSI Exynos USB Device 4.0.0.0 ... - DriverMax
Moreover, custom ROM communities (LineageOS, /e/ OS) still depend on to unlock bootloaders and gain root access. As long as Exynos based devices remain in circulation, this driver will remain a cornerstone of Android modification. The device is identified in the Windows Device
: Your phone's software may be severely corrupted, causing it to fail its normal boot sequence and drop into "Download" or "Recovery" mode automatically.
