If you are trying to confirm if your device is detected in this mode, use the Windows Device Manager to verify the status: Press Windows Key + X and select .

If your phone screen is completely black, refuses to turn on, and shows this status when plugged into a PC, the device is likely hard-bricked.

When a computer's Device Manager or system log reads this specific string, it signifies that: The phone's main operating system (Android) is not running.

: This indicates a loose USB connection, a damaged charge port flex cable, or an incompatible USB-C cable.

Once configured properly, the status updates to "Exynos USB Device 4000 Verified." Advanced Flashing and Recovery Workflows

The computer has successfully loaded a compatible, digitally signed Exynos USB driver.

If your device is listed as an "Unknown Device," note down its Hardware IDs from the details tab. You can use these IDs to search for a more specific driver online.

The device is in a bootloader state intended for servicing or unbricking. Driver Conflict:

: If Odin shows only yellow or red, the device is not "Verified." Reinstall drivers or try a different USB 2.0 port.

If your computer says "Verified" but Odin doesn't recognize the device, or if it says "Device Descriptor Request Failed":

Professional data recovery tools such as , Z3X Samsung Tool , and Medusa Pro rely heavily on the Exynos USB Device4000 verified state. Here’s why:

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Once the flash completes and says "PASS," the device should reboot into Android. Troubleshooting: "Exynos USB Device4000" Not Recognized

As a niche term, "Exynos USB Device4000 Verified" has a few possible interpretations, each leading to a different solution path. It's best to think of it as a symptom rather than a specific product name.

Select the libusb-win32 or custom Samsung Service driver inf file.

Press and hold and the Power (Side) button at the same time. Release them once the Samsung logo appears.