Step1:Open the Guard Viewer app and login.(https://hview.kf5.com/hc/kb/article/1440999/)
then click the list button,choose Devices option.
Step2:Add your NVR on the app
2.1 Click the Add button.
2.2 Find the NVR QR Code.make sure your NVR network status is online.
2.3 Choose the Scan button,use your phone to scan NVR QR Code.
2.4 setting your NVR name show in your phone.then click Start Live View
Step 3:add the NVR done.
If you experience any problems, please contact us for further support.