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Activity Feed › Forums › General Chit Chat › How to update Firmware › Reply To: How to update Firmware

  • Charlie Jone

    Member
    November 20, 2025 at 8:41 am

    To update your Canon 77D, download the official firmware from Canon’s website and put the .FIR file on an SD card, then insert it into the Slither io camera. Go to the menu under Setup → Firmware Version to start the update, keeping the battery fully charged and not interrupting the process, and check the firmware version once it’s done.

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