The is a specific COM port driver used primarily for Samsung Exynos-based devices when they are in a low-level communication mode, such as Emergency USB (EUB) mode or for boot repair . What is the Exynos USB Device (4.0.0.0)?
| Command ID | Name | Function | |------------|---------------|-----------------------------------------------------------| | 0x01 | GET_STATUS | Returns device state, secure boot status, and chip ID | | 0x12 | WRITE_MEMORY | Writes to physical address (requires authentication) | | 0x13 | READ_MEMORY | Reads from physical address (debug builds) | | 0x20 | ERASE_FLASH | Erases a specified eMMC/UFS partition | | 0x30 | EXECUTE_CODE | Jumps to a given address in RAM (dangerous) | exynos usb device(4.0.0.0)