The handshake failure usually occurs when the computer, the tool, and the phone's hardware are not in sync. Common causes include:
Temporarily disable your Antivirus or Windows Defender .
Open Windows Control Panel and uninstall MediaTek DA USB VCOM drivers or old SP Flash Tool drivers. mtk bypass tool handshaking error fix
Then I can give you a device-specific handshake fix.
If your device has a newer security patch, it might patch the traditional BROM exploit, causing the tool to hang on the handshake step. You must force the device to crash its Preloader file into BROM mode. Open your chosen MTK Bypass Tool. The handshake failure usually occurs when the computer,
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
Standard charging cables lack the shielding needed for high-speed bootloader data transmission. Use an original or premium-branded cable. Step 4: Clear Existing Driver Conflicts Then I can give you a device-specific handshake fix
Right-click your MTK Bypass Tool executable file and select Run as administrator . Without admin tokens, the software cannot bind to system COM ports.
Windows often blocks unsigned third-party drivers required for low-level device flashing. Disabling this security feature is frequently mandatory.
Note: You must be quick, as the BROM connection window only lasts 3 to 5 seconds before the device boots to charging mode. 4. Use the Proper Physical Connection Method