DSLR-A900 Firmware update (Mac OS)

• Make sure that no program other than your Internet browser is running.
• You must accept the terms of the End User Licence Agreement at the bottom of the page. After reading this agreement, click the "I have read the disclaimer and agree to the terms and conditions." check box found in the download area corresponding to your camera model and operating system.
• Click the arrow on the right side of the screen.
• Save the file to the Desktop of your computer (recommended).
  
  

(*)The file extension may not be visible depending on your Operating System settings.

• Prepare the recording medium (Memory Stick Duo / CF card) to use for the update, then format it with the camera.
  
  Notes:
  
  • If it is not formatted, the firmware update may not start.
  • Please note that all data including even protected images will be erased by formatting and cannot be restored.
  
  How to format the recording medium:
  
  
  1. Slide the POWER switch to the ON position.
  2. Press the MENU button, and check the "Memory card" to the proper type you use for update (Memory Stick Duo / CF card ) in the Setup menu-2.
     
     
     
     
     
  3. Select the "Format" in the Playback menu-1 with the Multi-selector then press the Center button of the Multi-selector.
     
     
     
     
     
  4. The confirmation window appears. Select [OK] with multi-selector, then press the Center button of the Multi-selector.
  5. After the format is completed, press the MENU button to turn off the menu.
     
     
• If your computer has a card slot compatible with Memory Stick Duo or CF card:
  
  
  • Insert the recording medium formatted with the camera in the card slot of your computer.
  • Copy the update file "DSCA850.APP" or "DSCA900.APP" (depending on your camera model) to the root directory of the recording medium.
    
    Note: the recording medium MUST first be formatted with the camera. Please backup your data before formatting, as all data will be erased (including protected images) during the formatting process and cannot be restored.
    
    
• If your computer does not have a card slot compatible with Memory Stick Duo or CF card:
  
  
  • Insert a formatted recording medium into the camera (make sure the recording media is formatted with the camera, not with the computer).
  • Insert a fully charged battery (NP-FM500H) into the camera or connect the AC adapter to the camera.
  • Slide the POWER switch to the On position.
  • Press the MENU button to display the Recording menu.
  • Select the page 2 of the setup menu with the multi-selector, and check that "USB connection" is set as "Mass Storage".
    
    
    
    
  • If not, please change it to "Mass Storage" as follows:
    
    
    • Select "USB connection" with the multi-selector.
    • Press the centre of the multi-selector.
    • Select "Mass Storage" with the multi-selector, then press the centre of the multi-selector.
      
      
  • Press the MENU button to turn off the menu.
  • Connect the camera and the computer with the USB cable that was supplied with your camera.
  • Copy the update file "DSCA850.APP" or "DSCA900.app" (depending on your camera model) to the root folder of the recording medium inserted in the camera.
  • When the file is copied, disconnect the USB cable.
    
    

• when performing the firmware update, please use a fully charged battery pack NP-FM500H or the AC-PW10AM AC adapter/charger (sold separately).
• Do not remove the battery or the AC adapter during the firmware update process, otherwise the camera may be permanently damaged.

1. Slide the POWER switch to the ON position and select the type of Memory Card that will be used for the update (Memory Stick Duo / CF card) then slide the POWER switch to the OFF position.
2. Now insert the recording medium containing the update file in the camera. Press and hold the MENU button while sliding the POWER switch to the ON position.
   
   
   
   
3. The confirmation window appears.
   
   
   
   If the confirmation window does not appear on the LCD monitor:
   
   
   1. If the recording medium is not formatted, the firmware update may not start.
   2. Please make sure that the update file "DSCA850.APP" or "DSCA900.APP" is in the root folder of the recording medium.
      
   
   
4. Use the multi-selector to highlight "OK", and then press the centre of the multi-selector to confirm. If you select "Cancel", the operation will be cancelled.



5. The updating process starts.
   
   
   
   
6. When the update procedure is completed, a message appears, stating that the update is completed and that the camera will automatically restart after approx. 10 sec.
   
   Please wait for the camera to restart.
   
   
   
   
7. Slide the POWER switch to the OFF position after the camera has restarted, and remove the recording medium.

1. Slide the POWER switch to the ON position.
2. Press the MENU button.
3. Press the DISP button while the menu is displayed.
4. The firmware version is shown in a window on the LCD monitor.
5. Press the centre of the multi-selector to exit.

• If the firmware update cannot be performed, please contact Sony.
• After the camera has been updated, please format the recording medium or delete the update file "DSCA850.APP" or "DSCA900.APP" from the recording medium.

• Download