Follow these troubleshooting steps in order to resolve the issue. 1. Fix the LibUSB Driver Filter (Most Common Solution)
Open the libusb-win32 installer (usually bundled with the bypass tool).
This error occurs when your computer fails to establish a stable communication protocol with the device’s BootROM or Preloader. Essentially, your PC says "Hello" to the phone, but the phone doesn't respond correctly. The result? A frozen progress bar, a red error message, and a bricked phone that refuses to flash firmware.
For a visual walkthrough on resolving handshaking failures specifically in Unlocktool or similar MTK utilities, watch this guide: How To Fix Unlocktool Handshaking Failed Error Fix MOBILE UNLOCK YouTube• Jun 17, 2025 mtk bypass tool handshaking error fix
Download and install the latest MediaTek All-in-One USB Driver package. Disable Driver Signature Enforcement: Hold the Shift key while clicking Restart in Windows.
A handshaking error happens when the MTK Bypass Tool cannot establish a stable connection with the device in . The software sends an initial signal, but the phone fails to respond correctly. Common Causes Missing or corrupted MediaTek USB VCOM drivers. Faulty, low-quality, or data-incapable USB cables. Faulty USB ports (using USB 3.0 instead of USB 2.0). Incorrect button combinations used to force BROM mode.
Old or duplicate drivers can create COM port conflicts, preventing the tool from locking onto the phone. Open on your PC. Click on View and select Show hidden devices . Expand the Ports (COM & LPT) section. Follow these troubleshooting steps in order to resolve
| Symptom | Likely Cause | | :--- | :--- | | Tool says "Waiting for device" then "Handshake failed" | Driver conflict or wrong USB port | | Device connects, disconnects, reconnects rapidly | Broken preloader (boot loop) / battery voltage | | Error appears instantly after clicking "Bypass" | USB cable or motherboard short | | Works on USB 2.0 but not USB 3.0 | Power negotiation failure |
MTK Bypass Tool Handshaking Error Fix: Complete Troubleshooting Guide
: A "stuck" device state that prevents the processor from responding to the handshake command. This error occurs when your computer fails to
. Look for "Ports (COM & LPT)." If the device appears briefly and then disappears or shows a yellow warning triangle, right-click and "Uninstall device" (check "Delete driver software"), then start the driver installation fresh. Software Configuration Some modern MTK chips require a "Custom Preloader" to boot.
Strict Windows Driver Signature Enforcement blocking the exploit. Step-by-Step Solutions to Fix the Error
Use the original USB cable that came with the phone to avoid data transfer interruptions. 5. Check Device Manager for Connection Stability
