Nikon WR-1 Wireless Remote Firmware 1.04 Nov 10, 2021
... and D750 cameras - D500, D7500, D7200, and D7100 cameras - Other cameras cannot be used to upgrade WR-1 firmware. - Firmware upgrades can be performed for you by a Nikon-authorized service representative. Viewing the WR-1 Firmware VersionOn the Camera - Attach the WR-1 to the camera and slide ...