1. Remove the TF card from your device.Insert your TF card into computer.Format your TF card and ensure it is empty.
2.Login OBDSTAR official website,and click “One Key upgrade”.
3. Download and install the “One Key upgrade”. You will see this software.
4.Open the “One Key upgrade”. Input your username and password. Then select “End User” and click “Log in”.
5. Input your S/N.
6.Select all and click “Upgrade”
7.Upgrade is completed.