If the above steps don't resolve the issue, you may need to perform more advanced troubleshooting:
Not all USB cables are equal. Try before concluding your device is broken. Some cables lack the internal shielding necessary for stable, high-speed data transfer during ECU programming. A poor-quality cable can cause intermittent disconnections and trigger hardware configuration errors during the handshake process. hardware configuration not supported ktag
If you utilize an aftermarket or older clone device, always turn off Wi-Fi and unplug ethernet cables before opening KSuite. Internet connectivity can trigger silent background updates that blacklist the device firmware. If the above steps don't resolve the issue,
Voltage drops during the read/write process because of a weak power supply. hardware configuration not supported ktag