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How to update Firmware
Hi, i have Canon 77D, Can anyone help me
to update firmware?
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This discussion was modified 2 months, 1 week ago by
Shashank Gadekar.
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This discussion was modified 2 months, 1 week ago by Shashank Gadekar.
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This discussion was modified 2 months, 1 week ago by
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2 Replies
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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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✅ How to Update Firmware on Canon 77D
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Check current firmware version
On the 77D, go to the Menu → Setup (wrench icon), and scroll to “Firmware Version” (or similar). This shows what version your camera currently has.
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Download the latest firmware
Visit the official support page for EOS 77D on Canon’s website. The latest update is Version 1.1.0 (for bodies that have firmware up to 1.0.3).
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On Windows: download the .zip file
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On Mac: download the .dmg file
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Prepare your memory card & camera battery
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Use a fully‑charged battery (very important).
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Format a memory card in camera before using it for firmware — or use a card you don’t mind wiping.
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Copy firmware file to card
Extract the downloaded file (if zipped) and copy the .FIR firmware file to the root directory (top-level) of the card (not inside any folder).
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Insert the card & run update
Put the card back in camera, turn on the 77D, go to the firmware menu, and select “Update.” Confirm and don’t switch off the camera or press any buttons during the update.
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Restart and verify
Once the update finishes, camera will prompt you. Turn it off, then on again — go back to firmware menu to confirm the version is updated to 1.1.0
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