Posted this info on Xhorse VVDI KEY Tool, it's an application guide on the remote unlocking. Shows which points to use with the cradle and free hand.
PDF download: http://www.eobdtool.co.uk/upload/pro/vvdi-key-tool-renew-diagram.pdf
Xhorse VVDI KEY Tool user manual
Xhorse VVDI KEY Tool for sale 229EUR