Nikon D7100 Camera's Firmware Update: D7100 “C” Firmware Version 1.03 (Sept.15, 2015) is Available: Improvements Include Reduced Noise in Movies – Photoxels
Nikon issues firmware update for 10-year-old D7100 | Popular Photography
Nikon released firmware updates (version 1.03) for the D7100 and D5200 DSLR cameras - Nikon Rumors
New Nikon D7100 Firmware Update Adds Performance Improvements for Video - The Phoblographer