Handshaking... Error Unexpected Response | 0x68

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

Use a trusted tool like the MCT MTK Auth Bypass Tool to reinstall the specific USB filters required for your device model.

Switch from a USB 3.0 (blue) port to a USB 2.0 port , as many flashing tools struggle with the high-speed protocols of 3.0 ports. 3. Verify Connection Timing handshaking... error unexpected response 0x68

Your PC should briefly show "MTK USB Port" or "Preloader USB VCOM Port." If it disappears too quickly or shows an error, the bypass tool cannot catch the handshake window. 4. Update the Servicing Tool

Ensure you are holding both Volume Up + Volume Down (or just Volume Down, depending on the model) before plugging in the cable. The "Handshaking

Use a high-quality USB 2.0 cable and a rear motherboard port. Update to the latest version of the bypass tool.

If the device has a removable battery, take it out for 30 seconds. If it’s internal, disconnect the battery flex cable from the motherboard. Common Causes of the 0x68 Error Use a

Handshake errors often stem from "ghost" drivers or incompatible USB filters.

Multiple versions of LibUSB or MTK USB drivers can confuse the communication port.