Launch X431 Pro5 Asks for USB Connection?



I usually connects Launch X431 Pro5 via WiFi. Today when trying to clone a EDC16 ECU with Pro5 and X-prog3. Device ask for USB connection rather than WiFi. Why need to connect via USB?


If need to read/write/clone ECU or TCUs, better use USB connection because data is huge, USB connection is stable than WiFi.

There is a USB port on the side of Pro5. You cannot connect USB cable with Pro5 directly. Need a OTG converter.



When do BMW online programming, it will also ask to connect via ENET cable via USB port.

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