A: No. Unless you have a localized M960 (DWR-M960-RU or DWR-M960-CN), those files have different region codes and will brick your unit. Stick to global/regional D-Link portals.
The D39-link update patches a medium-severity buffer overflow in the web UI’s CGI parser (CVE-style mitigation). More importantly, it deprecates TLS 1.0 for the web configuration panel and forces HTTPS with a self-signed cert by default—something enterprise purchasers demanded. d 39-link dwr-m960 firmware
Optimizes the internal modem for better signal processing and throughput. d 39-link dwr-m960 firmware