Canon 1dx iii stuck on firmware update!!

Discussion in 'Technical Troubleshooting' started by gaston, Mar 2, 2025.

  1. gaston

    gaston New Member

    Joined:
    Nov 17, 2020
    Messages:
    4
    Equipment:
    canon 5d iv, canon 400 2.8 is usm, 300 2.8 is usm, 17-40 f4
    hello. I have just tried to do a firmware update using the card and the file download from canons website. the process of updating had started and quickly got to 86%, but now has stopped completely. I have tried going from 1.7.1 to 1.9.0 and after several attempts it will not complete. I have tried version 1.8.0 and still no joy. I am currently trying to reinstall the same firmware that was on it at 1.7.1 and it has done the same thing with the red write light flashing constantly

    has anyone got any ideas or is it a send off back to canon?
     


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