This is the easiest method if you are accessing the NVR from a computer on the same local network.

If you are in North America, use the "Technical Support" section on the Hikvision USA website to find the specific US-release firmware.

The of your device (US, Europe, or International) Any specific bugs or features prompting this upgrade Share public link

A reader just emailed me a link to a Chinese Baidu disk containing digicap.dav for the NIK2. It has a 47% virus detection rate on VirusTotal. Pass.

Disclaimer: Firmware updates are performed at your own risk. Always back up your configuration settings before updating.

If you manage multiple devices via iVMS-4200 software, you can push updates directly through the client. Open iVMS-4200 and navigate to .

Navigate to .