How to update OBDSTAR Key Maker X300 Pro3 software

  1. Update OBDSTAR Key Maker X300 Pro3 software installation

Download the update tool and diagnostic software on, double click , then go to the next step:

Step 1:Click “Next”

Step 2: Click “Next

Step 3: Click “Next”

Step 4: Click “Finish”

2. Software Updating

After Update Tool installation completed, click the Update Tool software icon on desktop to start the update tools. Operation steps as following:

     Step 1:Open update tool

Step 2: Click the source menu, choose the program you want to update, click it and confirm

Step 3: Click and select all the software then click “update”

Step 4: Wait for several minutes then the updating finished