1. Connect the camera to the NVR and make sure your NVR connected to the same LAN as your PC.
2. Download the PC software “IPCTool” , open it, click “refresh”, it will find the camera which you connect to the NVR.
The link of Software “IPCTool”.
3. Choose the camera which you want to upgraded, then click “upgrade” , choose the upgrade file and click OK, the upgrade process takes 2 to 3 minutes.
4. After successful upgrade you need click “Restore Default” , then wait about 1 minutes and it will be ok.