To properly set up UnlockTool for mobile repair, you must install both the core software drivers and the required Microsoft Visual C++ (VC) runtime environment to prevent system errors. 1. Download and Install UnlockTool Drivers
The UnlockTool drivers are essential for your PC to communicate with various mobile chipsets (Qualcomm, MediaTek, Spreadtrum, etc.) while in repair modes like EDL, Fastboot, or Brom.
Official Source: Visit the official UnlockTool website to download the latest setup and driver packages.
Driver Types: Ensure you install the following standard drivers often bundled or linked by the tool:
Qualcomm USB Drivers: For devices using Snapdragon processors. download unlock tool driver and install vc runtime exclusive
MediaTek (MTK) USB VCOM Drivers: Crucial for Brom and Preloader modes.
ADB and Fastboot Drivers: For standard Android communication.
Installation: Run the driver setup as an Administrator. You may need to disable Driver Signature Enforcement on Windows 10 or 11 if the drivers fail to install correctly. 2. Install Visual C++ (VC) Runtime "Exclusive"
UnlockTool and many mobile repair utilities require the Microsoft Visual C++ Redistributable to run. Missing these files often leads to "VCRUNTIME140.dll not found" errors. Latest Supported Visual C++ Redistributable Downloads To properly set up UnlockTool for mobile repair,
F8 or hold Shift while clicking Restart.7 (Disable driver signature enforcement).VC Runtime (Visual C++ Redistributable) is a set of libraries required by many applications—especially unlock tools—to function correctly. If you see an error like VCRUNTIME140.dll missing or MSVCP140.dll not found, it means the unlock tool depends on Visual C++ components that aren’t installed on your PC.
Without the correct VC Runtime, even a legitimate unlock tool driver will fail to launch or execute properly.
If you run a repair shop and need to repeatedly download unlock tool driver and install vc runtime exclusive, script it.
Save this as Install_Unlock_Requirements.bat (Run as Admin): Phase A: Preparation (Before You Download Anything)
@echo off echo Installing VC Runtimes Exclusively... start /wait vc_redist.x86.exe /quiet /norestart start /wait vc_redist.x64.exe /quiet /norestart start /wait vcredist_2008_x86.exe /qb start /wait vcredist_2010_x64.exe /quietecho Installing Unlock Tool Drivers... cd "C:\UnlockTool\Drivers" pnputil /add-driver *.inf /subdirs /install
echo Rebooting in 10 seconds... shutdown /r /t 10
This script ensures that every time you set up a new technician PC, you never miss a dependency.