For older chipsets: Hold down the or Volume Down buttons and plug the phone into the computer via a reliable USB cable.
: Avoid using USB 3.0 or USB Type-C ports directly on some older motherboards, as they can cause packet timing issues during the exploit injection. Use a USB 2.0 port whenever possible. Share public link
: This happens if the libusb filter is losing tracking of the hardware profile. Open your Device Manager, locate any unrecognized or warning-flagged USB controllers, completely uninstall the drivers, and reinstall the libusb filter. auth-bypass-tool-v6 libusb
: If your terminal hangs waiting for the device, your libusb configurations are likely incorrect. Open Windows Device Manager and make sure your phone does not have a yellow warning triangle. Reinstall UsbDk or re-apply the Zadig filter driver.
The libusb-win32-devel-filter-1.2.6.0.exe wizard installs a device filter driver. When you select the "MediaTek USB Port" and click install, the libusb driver "captures" that specific USB port. This allows the python-based bypass utility ( mtksecbypass.exe in v6) to communicate directly with the processor's BROM. Without this filter, the tool would fail to detect the phone, outputting a "Waiting for device" error. For older chipsets: Hold down the or Volume
The v6 tool iterates through all possible endpoints using libusb_get_max_packet_size() . It sends probes to each:
Hold down the key while clicking Restart in the Windows Start Menu. Share public link : This happens if the
: Strips away complex command-line scripts into an automated format or basic Python script executing raw memory overrides. How to Install and Set Up the Tool
Install usbdk or libusb drivers (essential for Windows) to ensure proper communication between the PC and the phone.
To use these tools successfully, the environment must be prepared to prevent the computer from using standard charging or data drivers.
The tool exploits a vulnerability in the MediaTek BootROM (BROM) to bypass the digital signature check. It uses the library (or the UsbDk driver on Windows) to communicate directly with the device's USB interface while it is in "Download Mode" or "Preloader Mode". Key Features