Nikon WT-7 Wireless Transmitter Firmware 1.4 Jan 21, 2020
... >Options >Firmware version in the SETUP MENU to display the WT-7 firmware version. - Check the ... - Turn the camera and WT-7 off. Basic Upgrade instructions: - Create a folder on the ... has been updated to the new version.About Camera Adapter Updates:Updating to a different firmware version than the ...