Updates to product firmware may result in changes not described in the manual. For more information, visit:
The camera will only display the firmware version if a memory card is inserted.
Turn the camera off and check that a memory card is inserted.
Turn the camera on while pressing the [DISP]/[BACK] button. The current firmware version will be displayed; check the firmware version.
Turn the camera off.
If a lens is attached to the camera, you can also check the lens firmware version.