Extract the downloaded ZIP archive to a folder on your desktop.

A collection of specialized USB drivers (including MediaTek, Qualcomm, and Fastboot drivers). They allow your computer to communicate with your phone in low-level diagnostic modes.

Open the extracted folder and locate the file named install_all.bat .

Unlock Tool drivers are often 32-bit. On 64-bit Windows, you must manually copy the driver .sys file to C:\Windows\SysWOW64\drivers before installing.

Right-click on the file named install_all.bat (or the unified .exe installer) and select .

This indicates the 32-bit version of the runtime is missing.Unlock Tool is a 32-bit application and requires the x86 VC Runtime even on 64-bit Windows.Download and install vc_redist.x86.exe alongside the x64 version. Device Disconnects Constantly

: Antivirus software often flags flashing engines as false positives. Add the entire Unlock Tool folder to your Windows Defender Exclusion List to stop it from deleting vital components.

: This means your LibUSB driver filter is missing. Re-run the driver utility and capture the device filter immediately as you plug the phone into the computer while holding the volume keys.

What (e.g., Samsung, Xiaomi, Oppo) are you trying to connect?