From research and development to the present, we are constantly improving the TVM802, including hardware and software modifications and upgrades.Our software version is from 1.XX to the current 3.XX, but if you are using 2.XX version software, you can upgrade to the latest 2.39 version, but can not use 3.XX.Because the hardware of 2.XX machine is not the same as 3.XX.In the latest software, we have perfected some defects and added some features.If you want to get the latest software and know more,you can connect to our aftersale.The e-mail address :after_sale1@qihekj.com.
Also you can visit our website to know more about the latest machine:www.qhsmt.com