Right-click your MTK Bypass Tool executable file and select Run as administrator . Without admin tokens, the software cannot bind to system COM ports.
Try these physical button combinations while inserting the USB cable:
Press and hold Volume Down only, then insert the cable.
Conflicting old drivers often block the handshaking sequence. mtk bypass tool handshaking error fix
The standard MTK VCOM Driver often does not support the raw data transfer required by bypass tools. Replacing it with libusb-win32 via Zadig is the industry standard fix.
Once the handshake succeeds, you will see: [INFO] Handshake passed. Disabling SLA...
What and MTK chipset are you working with? Which bypass tool version are you currently using? Right-click your MTK Bypass Tool executable file and
Press and hold Volume Up + Volume Down simultaneously, then plug in the USB cable. Some devices require holding only one button or all physical buttons to force BROM mode . 3. The Port & Cable Culprit Sometimes the solution is as simple as hardware.
An MTK bypass tool handshaking error is rarely a sign of a hardware defect or a permanently broken phone. Instead, it is almost always a timing, driver, or port configuration issue. By clean-installing the drivers via LibUSB, switching to a USB 2.0 port, and mastering the volume key timing, you can establish a stable connection and successfully bypass the security authentication. If you'd like to narrow down the problem, tell me:
Different tools require different approaches: Conflicting old drivers often block the handshaking sequence
Install LibUsb Win32 Filter explicitly on the MediaTek USB Port.
However, a frequent frustration during this process is the or "Handshaking Error" message. This error indicates that the computer cannot properly establish a secure communication link with the phone's BootROM (BROM) mode.
Turn off the phone. Hold Volume Up + Volume Down , then insert the cable.
Windows powers down USB ports to save energy, killing the handshake.
Hold Volume Up + Volume Down simultaneously. (Most common) Method B: Hold Volume Down only. Method C: Hold Volume Up only.