How to solve OBDStar X300M Security Verification Failure



 How to solve the X300M security verification failure ?
When it fails to communicate or program, please operate as below:

1.Connecting x300m — Starting it-Pressing option-Pressing Data Logging-Pressing on-Pressing ESC – Back to the main menu.
2.When it fails to program, power off the machine please.
3.Pull our TF card where there is a LOG file.
4.Send us the LOG file and the engineer would study the data and figure out the reason.