How to Fix VVDI Mini OBD Tool Failed to Update Firmware

VVDI Key ToolVVDI Key Tool Max

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Problem: When I want to update Mini OBD tool firmware with VVDI Key Tool Max. It prompts “Request failed, please retry later” as below

Solution: Please update by upgrade kit on computer

Step 1: Use the USB cable to connect the Mini OBD Tool to the computer

Note: Don’t turn off the software or unplug the USB cable during the Upgrade

Step 2: Check the device connection status and driver version

Step3: Download the latest software and data files

Step 4: Start upgrading software and data

If you also cannot solve the problem by the suggestion above, please send log data to and the engineer will give a professional analysis and offer the corresponding solution.

1.Open Notepad “setting”

2.Add “Log=1” as shown in the picture below

3.Try to update VVDI Key Tool again for several times

4.Send the file “log” to and wait for solutions

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