This update improves the following issues on the Canon EOS 5D Mark IV:

• 1. The behavior when the camera is initially turned on with the lens mounted and takes several seconds to turn on.
• 2. The behavior where power consumption was high with the lens mounted and the camera's battery would continue to drain even when the camera was switched off and stowed with the lenses mounted.

Updated Serial Number: 009458 or later

Added compatibility with the TAP-in Console.

• * If the update advice is displayed when the TAP-in Console is connected for the first time, follow the steps displayed on the screen to carry out the update.

Improved stability of operation.
*This version is not compatible with Nikon Z series. For the detail of Nikon Z series compatibility, click here.

Added compatibility with the TAP-in Console.

• * If the update advice is displayed when the TAP-in Console is connected for the first time, follow the steps displayed on the screen to carry out the update.

Updated Serial Number: 016338 or later

Added compatibility with the TAP-in Console.

• * If the update advice is displayed when the TAP-in Console is connected for the first time, follow the steps displayed on the screen to carry out the update.

Updated Serial Number: 001221 or later