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
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 handshaking... error unexpected response 0x68
Ensure you are holding both Volume Up + Volume Down (or just Volume Down, depending on the model) before plugging in the cable. Your PC should briefly show "MTK USB Port"
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. Step-by-Step Troubleshooting Guide 1
The most effective fix for the 0x68 unexpected response is a hard reset of the device's battery.
Use a high-quality USB 2.0 cable and a rear motherboard port. Update to the latest version of the bypass tool.
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
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.
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.
The most effective fix for the 0x68 unexpected response is a hard reset of the device's battery.
Use a high-quality USB 2.0 cable and a rear motherboard port. Update to the latest version of the bypass tool.