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Select the file from the USB list and click or Upgrade . The system will reboot automatically once finished. 3. Update via Web Browser
| Source | Link/Action | |--------|-------------| | | https://www.dahuasecurity.com/products/All-Products/Recorders/5-Series/16-Channel/XVR1B16H → Support → Firmware | | Dahua Technology USA (if in Americas) | https://us.dahuasecurity.com → Search “XVR1B16H” | | Your regional distributor | Some regions (EU, APAC, LATAM) have region-specific firmware – check your local Dahua partner. | dhxvr1b16h firmware new
| Metric | Old Firmware (V4.002) | New Firmware (V4.003) | | :--- | :--- | :--- | | Boot time (cold start) | 98 seconds | 67 seconds | | Remote live view latency (4G) | 1.2 seconds | 0.7 seconds | | HDD read/write throughput | 78 MB/s | 92 MB/s | | CPU idle temperature | 65°C | 58°C (optimized governor) | | False motion alerts per day | 47 | 12 | Select the file from the USB list and click or Upgrade