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D40X Firmware

Select your operating system.

  • Windows
  • Mac OS

This software update program is for the customer-owned product listed above (the “affected product”), and is provided only on acceptance of the agreement listed below. By selecting “Accept” and clicking “Download”, you are held to have accepted the terms and conditions of the agreement. Be sure you understand the terms of the agreement before beginning download.

About this firmware update
This download provides software for upgrading D40X A firmware to v 1.01.

The following issues has been resolved in A firmware version 1.01.
With firmware Ver. 1.00 the number of images that could be captured (battery performance) when an EN-EL9a was used was less than when an EN-EL9 was used. By upgrading A firmware to Ver. 1.01, EN-EL9a performance is maximized so that more images can be captured (battery performance) when an EN-EL9a is used than when an EN-EL9 is used.

Number of shots possible (battery performance) with EN-EL9a (1,080 mAh)

- Single-frame shooting mode:  Approximately 510 shots (with testing according to CIPA standards*)

- Continuous shooting mode:  Approximately 2,400 shots (with testing according to Nikon standards*)

*See the D40X user’s manual for details on test conditions.  


How to confirm your cameras current firmware version
If the latest firmware versions are already installed on your D40X, you need not proceed with download or installation of this Firmware Upgrade. Current firmware versions can be verified from the Firmware version item in the camera's setup menu.

1.Turn the D40X on.
2. Press the MENU button and select Firmware version from the setup menu. The camera's firmware version will be displayed.
3. Turn the D40X off.


Quick guide for download and installing this firmware update
Power the camera from AC adapter unit or use a fully charged battery.

1. Download the firmware file from the link below.
2. Double click the downloaded F-D40X-V101W.exe file which will create a folder titled D40X Update.  this folder will contain the A40X0101.bin firmware file.
3. Turn the camera on, press the "Menu" button, select the SETUP menu and then select "CSM/Setup menu". Select the "Full" menu option and press OK.
4. Format an approved memory card in the camera.
5. Connect D40X to your computer (in MSC Mass Storage USB mode) or use a SD Card Reader.
6. Copy the downloaded 'A40X0101.bin' (A firmware) file to the top level of the memory card.
7. Disconnect the camera from the computer (if using an SD card reader then insert the memory card to the camera)
8. Turn the camera on, press the "Menu" button, select the SETUP menu and then select "Firmware Ver".
9. Select "Version Up" and follow the camera's on-screen menus. Do not turn the camera off during upgrade.
10. When a message displays that the upgrade is complete, turn the camera off.
11. Re-format the memory card.

For detailed instructions on how to install this firmware update click here


System requirements

System requirements

5MB or more free hard-disk space. 32MB or more free RAM. Built-in USB port.
Microsoft Windows Vista (all editions 32 bit version)
Microsoft Windows XP Professional
Microsoft Windows XP Home Edition
Microsoft Windows 2000 Professional
Microsoft Windows ME
Microsoft Windows 98 Second Edition (SE)

Download file

F-D40X-v101W .exe (220 KB)

Contains the following file:
A40X0101 .bin - A Firmware v1.01


About this firmware update
This download provides software for upgrading D40X A firmware to v 1.01.

The following issues has been resolved in A firmware version 1.01.
With firmware Ver 1.00 the number of images that could be captured (battery performance) when an EN-EL9a was used was less than when an EN-EL9 was used.  By upgrading the A firmware to Ver  1.01, EN-EL9a performance is maximised so that more images can be captured when an EN-EL9a is used than when an EN-EL9 is used.

Number of shots possible (battery performance) with EN-EL9a (1,080 mAh)

- Single-frame shooting mode:  Approximately 510 shots (with testing according to CIPA standards*)

- Continuous shooting mode:  Approximately 2,400 shots (with testing according to Nikon standards*)

*See the D40X user’s manual for details on test conditions. 


How to confirm your cameras current firmware version
If the latest firmware versions are already installed on your D40X, you need not proceed with download or installation of this Firmware Upgrade. Current firmware versions can be verified from the Firmware version item in the camera's setup menu.

1.Turn the camera on.
2. Press the MENU button and select Firmware version from the setup menu. The camera's firmware version will be displayed.
3. Turn the camera off.


Quick guide for download and installing this firmware update
Power the camera from AC adapter unit or use a fully charged battery.

1. Download the file F-D40X-V101M.dmg from the link below.
2. Double click the F-D40X-V101M.dmg icon to mount the disk image titled F-D40X-V101M.  The folder titled D40X Update will be created which contains the firmware file (A40X0101.bin)
3. Turn the camera on, press the "Menu" button, select the SETUP menu and then select "CSM/Setup menu". Select the "Full" menu option and press OK.
4. Format an approved memory card in the camera.
5. Connect the D40X to a computer (in MSC Mass Storage USB mode) or use a SD Card Reader.
6. Copy the downloaded file 'A40X0101.bin' to the top level of the memory card.
7. Disconnect the camera from the computer (if using an SD card reader then insert the memory card to the camera)
8. Turn the camera on, press the "Menu" button, select the SETUP menu and then select "Firmware Ver".
9. Select "Version Up" and follow the camera's on-screen menus. Do not turn the camera off during upgrade.
10. When a message displays that the upgrade is complete, turn the camera off.
11. Re-format the memory card.

For more detailed instructions on how to install this firmware update click here


System requirements

System requirements

Operating System: Mac OS X v10.1.5-10.6
Model: Power PC G3 or better
Hard disk space: 5MB or better
RAM: 32MB or more with USB interface (built-in only)

Download file

F-D40X-V101M.dmg (9.25 MB)

Contains the following files:
A40X0101.bin - A Firmware v1.01


End User License Agreement

  • Download

    F-D40X-V101W.exe
    (Approx. 222.59 KB)

  • Download

    F-D40X-V101M.dmg
    (Approx. 9.25 MB)

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