[PC with Driver] ------(USB Cable)------> [VS890 Scanner] ------(OBD2 Cable)------> [Vehicle ECU] Launch the VS890 update tool software on your PC.
Navigate to .
Check the assigned COM port number in Device Manager. Most legacy update tools only look for the scanner on ports COM1 through COM4. If your computer assigned a high port number like COM12, open the device properties in Device Manager, navigate to Port Settings > Advanced , and manually change the COM Port Number to an open slot between COM1 and COM4 . Best Practices for Updating Your VS890 Firmware etop miniscan driver vs890
