Handshake errors often stem from "ghost" drivers or incompatible USB filters.
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 handshaking... error unexpected response 0x68
Does this error occur specifically while you are trying to or while unbricking a device ? Solved: Hardware handshaking causing a serial comm issue? Handshake errors often stem from "ghost" drivers or
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 This error indicates that while the computer "found"
The "Auth Bypass" process failed to exploit the device's vulnerability correctly, often due to incorrect timing or an unsupported firmware version. Step-by-Step Troubleshooting Guide 1. Perform a Hardware Reset
Ensure you are holding both Volume Up + Volume Down (or just Volume Down, depending on the model) before plugging in the cable.
Use a trusted tool like the MCT MTK Auth Bypass Tool to reinstall the specific USB filters required for your device model.