Canon has released a firmware update for the EOS-1D Mark IV.Affected ProductEOS-1D Mark IV
FirmwareFirmware Version 1.1.0 incorporates the following improvements and fixes:
The new Firmware Version 1.1.0 can be downloaded by clicking here.
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).
This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region. Please register your EOS-1D Mark IV. By registering, we will be able to notify you via email when future firmware updates become available for download. If you already registered, please ensure you are opted-in to receive the notification.
Customer Support Operations
Canon U.S.A., Inc.
|Contact Information for Inquiries|
|Canon Customer Support Center|
|For additional support options: www.usa.canon.com/support|