Device not recognized on MAC

I am on Mac Sierra and I am trying to connect to V6 IIs for updating the firmware. The red light is flashing on the transreceiver, but the updater on my MAC is not recognizing the device. Please advice.


  • We are updating our Mac right now to Sierra. Will post a follow-up reply.
    Antonio Lao
    Brand Manager

    To help us better help you, always state the exact firmware version installed on your Cactus device(s), such as: "1.1.013", "NIK.A.001", "v.103", or "A06".

    TTL or HSS not working on Cactus V6 II and V6 IIs? Be sure to check hot shoe connectivity by doing the <CAMERA INFO> check.

    Feel free to suggest an improvement or share product ideas. Contact us directly at  At Cactus, we listen. 
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