: Genuine Xhorse Mini-VCI cables originally used firmware version 2.0.1 or 2.0.4 , while many clones are limited to 1.4.1 .
: If the tool fails to detect your device, you may need to download and install specific system drivers provided on the download page. How to Update Mini VCI Firmware
First, it is crucial to understand the ecosystem. Xhorse is a globally recognized brand in automotive key programming and diagnostic hardware. They produce a popular "Multi-Brand" version of the Mini-VCI cable (often labeled or VXDIAG ). While the original Toyota Mini-VCI is locked to specific software, the Xhorse variant uses a reprogrammable chipset.
Warning: firmware updates carry some risk. Follow steps exactly, ensure power stability, and back up any important data before proceeding.
If you are a Toyota, Lexus, or Scion enthusiast—or a professional technician—you likely know that the cable is the gold standard for affordable dealer-level diagnostics. However, the hardware is only as good as the firmware running inside it.
The (officially called the Xhorse Upgrade Kit ) is the essential utility for updating firmware on Xhorse devices like the VVDI Mini OBD Tool, VVDI Key Tool Max, and various key cutting machines. ⬇️ Download Links