Windows Defender or third-party antivirus software blocking the tool's exploit payload.
Most MTK bypass tools (like the MCT Bypass Tool or UnlockTool) rely on LibUSB. Open the LibUSB Win32 filter wizard, select "Install a device filter," and ensure you catch the MediaTek USB Port the moment you plug the device in (while holding the Boot keys).
To understand the handshake error, one must first grasp the normal bypass sequence:
Move your USB cable to a (usually black or grey). mtk bypass tool handshaking error
Hold Volume Up only and insert the cable.
Right-click them and select . Check the box that says Delete the driver software for this device .
If button combinations fail, you may need to short a physical Test Point on the motherboard to GND while connecting the USB to force BROM mode. To understand the handshake error, one must first
Release the keys only after the tool logs change from "Waiting" to "MTK Device Found" or start loading the exploit. Step 3: Change Hardware Configurations
This error usually stems from physical connection issues or software mismatches that prevent the tool from "seeing" the device correctly:
The "handshaking error" in MTK (MediaTek) bypass tools like MCT MTK Auth Bypass UnlockTool Check the box that says Delete the driver
Go to > Advanced Options > Startup Settings > Restart .
Completely turn off the device. Wait 10–15 seconds to ensure the capacitors drain fully.
How to Fix MTK Bypass Tool Handshaking Error: A Complete Troubleshooting Guide