Step by step to use xhorse key tool max file make key function.
Write back data upload instruction:
If the APP prompts you need to write back data, please follow the next steps to upload file.
Xhorse Key Tool Max Details:
https://www.uobdii.com/wholesale/xhorse-vvdi-key-tool-max.html
https://www.uobdii.com/wholesale/xhorse-vvdi-key-tool-max-with-vvdi-mini-obd-tool.html