The tool wasn't guessing the password. It wasn't brute-forcing.
While LibUSB handles hardware, the tool also includes a software component. It scans running processes for known authentication flags (e.g., IsLicensed = 0 or IsLoggedIn = false ) and patches them in memory using OS-specific APIs (WriteProcessMemory on Windows, ptrace on Linux). Because it is portable, it injects these patches without rebooting or modifying binaries on disk. authbypasstoolv6libusb portable
The (utilizing libusb and often provided in a portable format) is a specialized utility used by technicians to bypass the Boot ROM (BROM) protection on MediaTek (MTK) based Android devices. This process is essential for servicing devices that are "locked" or "bricked" by disabling the security handshake required for flashing firmware. Overview of Auth Bypass Tool V6 The tool wasn't guessing the password