Nikon WR-1 Wireless Remote Firmware 1.01 Mar 22, 2016
... D4, Df, D810A, D810, D800, D800E, D750, D500, D7200, and D7100 cameras - Other cameras cannot be used to upgrade WR-1 firmware. Viewing the WR-1 Firmware VersionOn the Camera - Attach the WR-1 to the camera and slide the Tx/Rx/OFF switch to Rx. - Turn the camera ...