Nikon D4 Firmware A:1.04 / B:1.02 Available for Download

From Nikon:

Modifications enabled with this upgrade of firmware, release date January 29, 2013

• Subject tracking performance in AF-C (continuous-servo autofocus) autofocus mode with framing using the viewfinder has been improved.

Basic Upgrade instructions*

IMPORTANT - The firmware cannot be upgraded when Network> Network connection in the setup menu is set to ON. Be sure to set Network connection to OFF before attempting to upgrade the firmware.

1. Create a new folder with an appropriate name on your computer.
2. Choose the correct download below for the computer system you are using, and save the download to the folder created in step 1.
3. Run the downloaded file to create the folder titled D4Update, containing the following file: D4_0104.bin
4. Format an approved memory card in the camera, then remove .
5. Copy the D4_0104.bin file to the top level of the memory card using a memory card reader or similar device, do not copy the file into any folder on the memory card.
6. Insert memory card into the cameras memory card slot, and switch on.
7. Select Firmware Version from the setup menu and follow the instructions displayed to upgrade the camera's firmware.
8. DO NOT switch off the camera at any time during the update, doing so may result in the need for service.
9. After the upgrade is complete, trun the camera off and remove the memory card.
10. Check the cameras firmware version to be sure it completed.
11. Format memory card in camera for use.

* - Firmware updates can be performed for you at authorized Nikon service centers.

Download the complete firmware update instructions here.

Download the Nikon D4 A:1.04 / B:1.02 firmware: Windows | Macintosh