| Symptom | Probable Cause | Solution | | :--- | :--- | :--- | | 404 Not Found on portal | Regional restriction | Switch VPN to country of purchase (e.g., USA for NA units) | | File size 0 bytes | Server geo-blocking | Use Hikvision official download tool (Windows only) | | "Firmware mismatch error" | Wrong hardware revision | Verify K1 vs K2. Check OEM vs Standard firmware | | Digest mismatch | Corrupted download | Use wget -c with resume or try alternative mirror |
and log in as Administrator.
For , the final version is V3.1.8 build 190705 (July 2019). Note: V1.0 devices are no longer supported with new features.