Nikon WT-7 Wireless Transmitter Firmware 1.4 Jan 21, 2020
... - Press the camera MENU button and select Network >Options >Firmware version in the SETUP MENU to ... named “WT7Update” that contains a .bin package (the wireless transmitter firmware) - Using a card slot ... - Press the camera MENU button and select Network >Options >Firmware version >Update in the SETUP MENU, ...