EOS 1D Mark IV Firmware Update 1.1.0

Canon EOS 1D Mark IV

Few weeks ago Canon Inc. released a firmware update for the EOS 1D Mark IV which fixes some minor issues.

It’s interesting to note that Canon is lately making their firmware updates available at different dates on each region/country website (despite that the file release date displayed on the website is earlier than when it was actually available to customers).

This also happened with firmware updates for EOS 5D Mark II and EOS 7D. They are not releasing firmware updates at the same time in all their websites.

Changes in this firmware:

Firmware Version 1.1.0 incorporates the following improvements and fixes:

1. Improves writing/reading speeds when using UDMA 7-compatible CF cards.
2.Fixes a phenomenon where the ability to shoot movies may be stopped under the following conditions:
•    When using high-capacity (32 GB or greater) CF cards with little available space remaining and the user attempts to start shooting movies; or
•    When the camera’s battery is removed and reinserted into the camera and the user immediately attempts to start shooting movies.
3. Corrects misspellings in the menu screens displayed in Arabic and Portuguese languages (applies to models outside of the the Japanese market only).

Firmware Version 1.1.0 is for cameras with firmware up to Version 1.0.8. If the camera’s firmware is already Version 1.1.0, it is not necessary to update the firmware.

Note that cameras with the Version 1.1.0 and Version 1.0.8 firmware cannot be downgraded to a previous firmware version (such as Version 1.0.6 or earlier).


You can download official firmware 1.1.0 for 1D Mark IV (Mac and PC) from link below:

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