Check the installed version
From Connected status open Settings → Firmware Updates. Open the three-dot menu and select Check For Updates. If the device is current, return home without installing anything.
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Download and install
If an update is offered, open its details with the forward arrow. Select Download if necessary, then Update Firmware. Confirm Update Firmware again. Stay on this screen throughout the update; the manufacturer estimates three to five minutes.
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Confirm and reconnect
Wait for the completion message, tap OK and return home. The adapter disconnects after loading; tap Connect to restore communication. Record the installed version. If updating fails, use the manufacturer’s recovery section rather than repeatedly resetting the adapter or deleting the app.
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Sources / references 1
- OBDLink — Adapter firmware update ↗Reviewed Oct 8, 2026
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