X300 Pro3 Key Master update tool software installation
Download the update tool and diagnostic software on www.obdstar.com, double
click , then go to the next step:
Step 1: Click "Next".
Step 2: Click "Next"
Step 3: Click "Next"
Step 4: Click "Finish"
X300 Pro3 Key Master Software Updating
After X300 Pro3 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
Note: For new update software and questions during updating, please
contact your distributor.