✅ Menu → Maintenance → Backup & Reset → Export Config
A: No, the video database remains intact. Configuration may reset to defaults. dh-xvr4a08 firmware download
✅ (power failure during update can brick the device) ✅ Menu → Maintenance → Backup & Reset
A: You likely have a custom OEM version (e.g., LTS, Amcrest, Lorex). Contact that brand for their specific firmware. 1080p/5MP hybrid DVR)
✅ (printed on the mainboard sticker or visible in system info)
Last updated: April 2026 Model: Dahua DH-XVR4A08 (4-channel, 1080p/5MP hybrid DVR)