1.How to Update and Install Software of OBDSTAR Key Master X300 Pro3
Please download the update tool and diagnostic software on www.obdstar.com first
Double click it,then do as following steps.
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 step as follows:
Step 1. Open update tool

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

Step 3. Click and selcet 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.

Any questions,pls feel free to contact us. sales@obdstarstore.com