This article is available with Xhorse VVDI2 Online Update with Xhorse Upgrade Kit.
Procedure:
1.Connect VVDI2 to the computer.
2.Open “VVDI2 Quick Start”.
3.Choose “Update Online”>>“Device Information”.
4.Open “VVDI2 Quick Start” again.
5.Choose “Update Kit”>>“Find Device”>>“Upgrade”>>“OK”>>“Device Information”.
Job is done!
Source:http://blog.eobdtool.co.uk/vvdi2-online-update-with-xhorse-upgrade-kit/