Does this error occur specifically while you are trying to or while unbricking a device ? Solved: Hardware handshaking causing a serial comm issue?
Check for the latest version of the MediaTek Bypass Tool or the specific UnlockTool update to ensure compatibility with recent security patches. Quick Summary Table Likely Culprit Recommended Action Disconnect and reconnect the physical battery. Driver Mismatch Reinstall LibUSB filters and MTK drivers. Cable/Port
Ensure you are holding both Volume Up + Volume Down (or just Volume Down, depending on the model) before plugging in the cable. handshaking... error unexpected response 0x68
Open your Device Manager, remove existing MTK/Preloader drivers, and uninstall LibUSB-Win32 .
For MTK devices, the timing of when you plug in the USB cable while holding volume buttons is critical. Does this error occur specifically while you are
The device may be stuck in a pre-loader or BROM state that requires a physical reset to clear its internal buffer.
The "Handshaking... Error Unexpected Response 0x68" is a specific communication failure most commonly encountered when using , UnlockTools , or SP Flash Tool to service Android devices . This error indicates that while the computer "found" the device, the security handshake between the servicing software and the device's Boot ROM (BROM) failed because the device sent a response code the software did not expect. Common Causes of the 0x68 Error Open your Device Manager
Multiple versions of LibUSB or MTK USB drivers can confuse the communication port.
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