Question: how to use cgdi prog mb?
Answer: Step 1: Calculate password. Connect CGDI Prog MB to vehicle via OBD, and then connect with PC by USB cable. ... 
Step 2: Save EIS Data. Click on “Upload data” ... 
Step 3: Generate Key File. Select “Generate Key File”->“Load EIS File”
Step 4: Read/write the key. Take out the original key from CGDI Prog MB.