Option 1 — Temporary: Advanced startup:
Option 2 — Permanently (not recommended unless necessary):
This guide shows step-by-step how to download and install an “unlock tool” driver (driver that enables use of a hardware unlocking tool or USB device) and how to install the Microsoft Visual C++ (VC) Redistributable runtime libraries needed by many Windows unlock tools. Assumes Windows 10/11. Follow exactly and reboot when prompted.
By following these steps, you should be able to successfully download and install the required components.
To ensure the Unlock Tool functions correctly, you must install the necessary hardware drivers and system runtimes. This setup allows your PC to communicate with mobile devices (Samsung, Xiaomi, Apple, etc.) and provides the essential libraries needed to launch the software without errors. 🛠️ Step 1: Download and Install Unlock Tool Drivers
The Unlock Tool requires specific USB drivers to detect phones in ADB, Fastboot, and EDL (Emergency Download) modes.
Official Source: Download the driver package directly from the official UnlockTool website.
Disable Protections: Temporarily disable Windows Defender or your antivirus, as these tools are often flagged as false positives.
Driver Types: Ensure you install the following from the package: Download Unlock Tool Driver And Install Vc Runtime
Qualcomm HS-USB QDLoader 9008: For Snapdragon-based devices. MediaTek (MTK) USB Port: For VCOM/Preloader modes. Apple Mobile Device USB: For iPhones/iPads in DFU mode.
Spreadtrum/SPD & ADB Drivers: For generic Android communication.
Manual Install: If a driver fails, open Device Manager, right-click the "Unknown Device," and select Update Driver > Browse my computer to point to the downloaded folder. ⚙️ Step 2: Install Microsoft Visual C++ Runtime
If you see errors like vcruntime140.dll was not found, the software cannot access the coding libraries it was built on.
Why it's needed: It provides the environment for C++ based applications to execute on Windows.
Correct Version: Download the Visual Studio 2015-2022 Redistributable from the official Microsoft Download Page. Architecture:
Install x86 (32-bit) AND x64 (64-bit) versions. Even on 64-bit Windows, many tools still require the x86 runtime.
Repair Option: If it's already installed but the tool won't open, go to Settings > Apps, select the runtime, and choose Repair. 📋 Pre-Installation Checklist Option 1 — Temporary: Advanced startup:
To avoid common "Device Not Found" or "Launch Error" issues:
System Requirements: Use Windows 10 or 11 (64-bit) with at least 4GB of RAM.
Cable: Use a high-quality original USB cable and avoid front-panel PC ports; use the ports directly on the motherboard.
Filter Drivers: For MediaTek devices, you may need to install LibUSB (often included in the driver setup) to bypass authentication. How to Install Windows Drivers Manually
To successfully run Unlock Tool you must have the correct drivers and Microsoft Visual C++ Redistributable (VC Runtime)
. These components allow your PC to communicate with mobile devices and provide the necessary libraries for the software to execute without errors. 1. Download & Install Unlock Tool Drivers
Drivers are essential for your computer to recognize devices from brands like Samsung, Xiaomi, Huawei, and others. Official Sources
: Download the latest Unlock Tool launcher and its associated drivers from the Official Unlock Tool Site file.unlocktool.net Security Note : Before running the installer, disable real-time protection Option 2 — Permanently (not recommended unless necessary):
in Windows Security, as some unlocking tools are flagged as false positives by antivirus software. Installation Extract the downloaded driver package. Right-click the setup file and select Run as Administrator Follow the prompts to install common drivers like MTK (MediaTek) Qualcomm (EDL) 2. Install Microsoft Visual C++ Runtime
If you see errors like "VCRUNTIME140.dll is missing," the VC Runtime is likely corrupted or missing. VC Runtime Error Solve Driver Error UnlockTool 2022 Install
Option A (Recommended): Download the combined AIO (All-in-One) package from Microsoft.
Option B: Use the complete package from techpowerup.com (search for “Visual C++ Redistributable Runtimes All-in-One”).
If you want, tell me the device model or the VID/PID and I’ll provide direct driver download links and the exact VC runtime version to install.
Here’s a structured content piece you can use for a blog post, support page, or tutorial related to downloading an unlock tool driver and installing VC Runtime.
Even after you download Unlock Tool driver and install VC Runtime, issues can arise. Here’s how to solve them:
| Error Message | Cause | Solution |
|---------------|-------|----------|
| “VCRUNTIME140.dll not found” | VC Runtime missing or corrupted. | Reinstall both x86 and x64 VC++ runtimes. Restart PC. |
| “MSVCP140.dll missing” | Same as above. | Use Microsoft’s official repair tool or reinstall. |
| “Driver installation failed – Code 10” | Signature enforcement or bad USB port. | Disable driver signature enforcement (Shift + Restart → Advanced startup). |
| “Device not detected in Unlock Tool” | Wrong driver installed or USB cable issue. | Uninstall old drivers via USBDeview. Reinstall using admin rights. |
| “Application was unable to start correctly (0xc000007b)” | Mixed architecture (32-bit vs 64-bit). | Install VC Runtime x86 even on 64-bit Windows. Run Unlock Tool as admin. |
| “No Qualcomm port” | Device not in EDL mode. | Enter EDL via test point or ADB command: adb reboot edl. |
