Older cameras using may lose connection if the NVR disables unencrypted "digest" authentication by default.
The firmware version released in Q2 2026—tagged internally as —addresses three critical areas: ds9664nist firmware updated
There are two primary ways to apply the update: via a USB drive at the local console or via the web browser. Method 1: Local Update (USB) Older cameras using may lose connection if the
Ensure your device is exactly the DS9664NIST. Applying firmware meant for a different regional variant (like the standard DS-9664NI-I8) can cause permanent hardware failure. ds9664nist firmware updated
The and DS-9664NI-M8 (often abbreviated as DS-9664NI) are high-end Network Video Recorders (NVRs) that support NVR 5.0 firmware updates. This firmware significantly enhances the recorder's capabilities with deep-learning-based analytics and improved system stability. Key Features in Updated Firmware