Handshaking Error Fix - Mtk Bypass Tool

| Symptom | Likely Cause | | :--- | :--- | | Tool says "Waiting for device" then "Handshake failed" | Driver conflict or wrong USB port | | Device connects, disconnects, reconnects rapidly | Broken preloader (boot loop) / battery voltage | | Error appears instantly after clicking "Bypass" | USB cable or motherboard short | | Works on USB 2.0 but not USB 3.0 | Power negotiation failure |