Nikon WR-1 Wireless Remote Firmware 1.04 Nov 10, 2021
... Df, D850, D810A, D810, D800, D800E, D780, 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 ...