You need to make sure that your phone can search for the Wi-Fi signal of 5.8GHz before you can use CamFi 3.
    Install the App before using it:
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    App Download link:
    https://www.cam-fi.com/download.html
    image.png

    NoteCamFi app supports Android and iOS mobile phones and tablets. Here we will take the interface of iPhone as an example to explain. The interface of tablet is similar to this and will not be described in detail. If there are significant differences, they will be noted.