If your software doesn't "see" the cable, try changing the Port Number to something between COM1 and COM4 in the Advanced Settings tab. π Step 3: Using the Unlock Tool
When an Apple device is in a deep bricked state, Recovery Mode or DFU Mode may be inaccessible. A standard USB connection requires a functional USB stack. Serial communication works at the bootROM level, where Appleβs engineers use a proprietary protocol over UART to output logs and accept low-level commands. The leverages this COM port interface to force the device into a diagnostic state. driver com port cable apple diag mode unlock tool
Why would a technician need this?
Once the driver is installed and the cable is connected, the "Unlock Tool" software takes over. Depending on the specific software (such as iREACT, TFB Activa, or custom SSH clients), the tool will: If your software doesn't "see" the cable, try
Check if you are using a DCSD cable . Standard cables will not create a COM port unless the tool uses a specific "USB-over-Serial" exploit. Serial communication works at the bootROM level, where