Xhorse VVDI Prog ECU Programmer has newly updated software to latest V4.2.0 with firmware 1.2.2. (05/01/2016).
VVDI PRO v4.2.0 software free dwonload
Language: English/Chinese
How to update VVDI Prog programmer software & firmware? Open VVDI Prog software Click “Upgrade” tab 
Then come to VVDIProg Update menu. You are able to check software version (Tip Information) and firmware version (Device Information). 