Verify the SHA-256 checksum of the downloaded file to ensure it is not corrupted.
Recheck the About menu to confirm the new version number is correctly displayed.
Hikvision DS-9664NI-ST Go to product viewer dialog for this item.
Optimizes how the device stores internal calibration constants during power cycles. ds9664nist firmware updated
Improved H.265+ compression efficiency for lower bandwidth consumption and enhanced 4K storage efficiency.
Note: Ensure the model number matches exactly. Applying firmware designed for newer variants (like the I-Series or M-Series) will fail or trigger boot loops. Step 3: Flash the Update via USB or Web Browser Method A: Local USB Drive (Recommended) Format a clean USB flash drive to .
The search may also lead you to Dahua equivalents, such as the DHI-NVR5864-I, which are similar in capability but follow a different firmware upgrade process. Understanding the exact model you have is the first and most critical step in any upgrade. Verify the SHA-256 checksum of the downloaded file
With 8 SATA interfaces supporting RAID 0, 1, 5, and 10 configurations, data redundancy is a core feature of this NVR. Firmware updates optimize the integrated storage controller, preventing database corruption, improving disk rebuilding times, and reducing hard drive wear. Technical Specifications: DS-9664NI-ST
The NVR will restart automatically. Do not power off the device during this process, which can take several minutes. Troubleshooting Firmware Upgrades
DS9664NIST Firmware Updated: Enhancing Security and Performance for Your Hikvision NVR Applying firmware designed for newer variants (like the
is a high-performance, 64-channel enterprise NVR designed to support up to 6 Megapixel recording resolution and a 200 Mbps incoming bandwidth.
While thoroughly tested, the current release has three minor known anomalies:
as admin (not a custom role with partial permissions).
Navigate to System Settings > About on your device interface to note your existing firmware revision.