VVDI Mini Key Tool Firmware Update Instruction Xhorse engineer 5 years ago VVDI Mini Key Tool firmware can be updated via Bluetooth using a mobile (iOS or Android) Related posts: Xhorse VVDI Mini Key Tool Transponder Clone, Software Update etc FAQs VVDI MB Tool Firmware Update Instruction VVDI Mini Key Tool 1.0.9 Firmware Update How to Fix VVDI Mini OBD Tool Failed to Update Firmware