Solved SVCI2019/2020 connection Error：Interface not connected/calibrated
In general，Caused this error that is the windows system compatible problem. This problem will not occur if you install svci2019 or svci2020 software in win10 64bit professional.
The main reason for this error is that the USB driver version is too lower. By default, v2.12.28 version driver will be installed in the system, but this version driver cannot be successfully installed due to system reasons.
The solution is to update the USB drive v2.8.24 to v2.12.28, this video will show you how to solve it.
USB driver v2.12.28 download links:
http://www.flyobd.com/en/article-85.html