Nikon SB-500 TTL Flash Firmware 13.002 Jan 24, 2017
... the SB-500 not functioning when used with certain cameras that support the Nikon Creative Lighting System. Affected Camera Models: - D5 - D4 - D4S ... COOLPIX P7800 - COOLPIX P7700 The following cameras can be used to update SB-500 firmware: - The D5, D4, D4S, Df, D3X, ...