READ THIS FIRST

1. OS 5 NVRs are NVR-8580, 8580RN, 8780, and 8780RN with Software version starting with V8
2. NVR must have the latest firmware. To check, visit How to do OTA update? first.
3. Update one camera at a time to decrease the possibility of incomplete updates. Simply retry on the cameras that were incomplete and they should complete on the second attempt.
4. Check the live feed after each update to confirm if the camera is still working. In the event that you noticed an issue, STOP updating the rest.

Prepare the following:

1. Computer with internet connection
2. USB flashdrive (preferably 32GB or below)
3. Mouse and monitor connected to the NVR

Quick install steps

Download the correct image file:

1. Download the firmware based on the camera's model number:
   1. NHD-865 (MSB or MSFB) or NHD-866MSD - click HERE to download
   2. NHD-885 (MSB or MSFB) or NHD-886MSD - click HERE to download
   3. NHD-887 (MSB or MSFB) or NHD-888MSD - click HERE to download
   4. NHD-900 (BE or DE) - click HERE to download
   5. NHD-1200 (BE or DE or D) - click HERE to download
2. Copy the files to a (preferably clean) USB memory stick.

Apply the firmware to the cameras:

1. Insert the USB memory stick into one of the recorder's USB ports.
2. Open the menu on the recorder and proceed to Advanced > Maintain.
3. In the Maintain tab, click on IP Cam Upgrade button.
   
4. On the preparation screen, select the new firmware file (.sw) for each channel from the USB stick.
   
5. Once firmware file is specified, choose a Channel where firmware will be applied, then click OK.
   
   
6. When firmware update is completed, you will receive this prompt:
   
7. Repeat this step with the old firmware file for any cameras that failed