Hold Volume Up only, then insert the cable.
Ghost drivers from previous connection attempts can cause address conflicts. Open on your PC. Click View at the top menu and select Show hidden devices . Expand the Ports (COM & LPT) section.
Ensure you are using the latest version of mtkclient or the MCT MTK Bypass tool. Older versions might not support newer MediaTek chipsets, leading to protocol handshake failures. Troubleshooting Summary Potential Fix
If your drivers and environment are set up correctly but the handshake is failing, work through these immediate fixes: mtk bypass tool handshaking error fix
: Simply pressing the power button to turn off the screen isn't enough. Hold the power button for 10 seconds to force a complete shutdown.
Always click the "Bypass" or "Start" button on the MTK Bypass Tool before plugging in the phone.
If the error persists, try alternative free tools like or SPD/MTK FRP Tool . Pro Tips for Success Hold Volume Up only, then insert the cable
Xiaomi phones with MTK processors (Redmi Note 8 Pro, Redmi 9, Redmi 10C) are notorious for this error. Here is the specific workflow for these:
However, one of the most common and frustrating hurdles is the . This error signifies a communication breakdown between your PC and the device's BootROM (BROM) mode. Understanding the Root Causes
Always right-click the MTK Bypass Tool executable and select Run as Administrator . Click View at the top menu and select Show hidden devices
Open the libusb-win32 installer (usually bundled with the bypass tool).
Comprehensive Guide: How to Fix MTK Bypass Tool Handshaking Error (2026 Updated)
Right-click your MTK Bypass Tool executable file and select Run as administrator . Without admin tokens, the software cannot bind to system COM ports.