Nikon SB-500 TTL Flash Firmware 13.002 Jan 24, 2017
... the firmware for the SB-500. Viewing the Flash Unit Firmware Version - Attach the SB-500 ... the camera and turn both the camera and flash unit on. - Press the camera MENU button ... SB-500 firmware version. - Turn the camera and flash unit off. Updating the Flash Unit Firmware ...