Plug the USB flash drive into the rear USB port of the NVR.
Obtain the correct firmware file matching your hardware version from your specific manufacturer's support portal (e.g., Anran or Hiseeu support pages). ja-8108-w firmware
Older iterations of the JA-8108-W software contain known vulnerabilities that can allow unauthorized remote access or expose RTSP video streams. Plug the USB flash drive into the rear USB port of the NVR
