For advanced users or technicians, specialized software like ChimeraTool or SigmaKey can communicate with devices in to repair the bootloader or flash fresh firmware.
Some users, particularly those with MSI laptops, have reported that standard USB drives are suddenly identified as "Exynos USB device 4.0.0.0 (COM)". This usually indicates that the system is incorrectly applying a Samsung-specific communication port driver to a general storage device. 2. The "Verified" State exynos usb device4000 verified