Nikon updates firmware for D750, D610, D600, KeyMission 80 - Camera Jabber
Nikon D750 Camera Firmware Update Version 1.10 (2015-11-26): External Recording Control Option Has Been Added, Optimal Vibration Reduction is Now Available with Vibration Reduction Lenses + Improvements – Photoxels
Nikon D810, Nikon D750 Firmware Updates now Available ! - Camera News at Cameraegg
New Firmware Update for Nikon D7200 D500 D750 D810
How to - Update firmware on a Nikon D750 and other models - YouTube
I AM | UPDATED - Nikon D750 Firmware Update Process - YouTube