It is easy to update OBDSTAR X300 DP Plus key programmer , OBDSTAR X300 DP Plus support one-click online software upgrad, just need two steps.
Step1: Enter the X300dp plus main interface, Click Upgrade, then it will show your device software version and the newest version you can update.
Step2: choose the the lastet software you need to update or bulk update all of them.
Please make sure the internet is working. If you first time to use OBDSTAR X300 DP Plus Upgrade, it may notice you to install the application,just follow the steps with instruction.