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 D5300 vs D7100 : Which Should You Buy? - Light And Matter
Amazon.com : Nikon D7100 24.1 MP DX-Format CMOS Digital SLR (Body Only) : Digital Camera : Electronics
The UT-1 Communication Unit from Nikon Gets a New Firmware as Well
Nikon releases firmware update for its nearly 10-year-old D7100 DSLR: Digital Photography Review
10-year-old DSLR gets firmware update! Nikon D7100 owners rejoice | Digital Camera World
Upgrading Firmware in Your Nikon D7100
Nikon D7100 | News and Information for D7100 DX 24MP Digital Camera
Nikon D7100 | DX-Format HDSLR with Built-in HDR, WiFi & More