If you have guests who want to use your Wi-Fi, you want to give it to them…but you may not want them to access other devices on your network. Google WiFi makes it very easy to create a «guest network» that gives them access to the internet but blocks them from accessing files on your local network or other network devices.
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This feature is especially useful if you share files on your home network that may contain sensitive information. Of course, you probably trust whoever you specifically allow on your Wi-Fi network, but you can never be too careful.
To get started, open the Google WiFi app on your phone and tap the tab with the settings gear icon and three other circles.
Click on «Guest Wi-Fi» at the bottom.
Click «Next» in the lower right corner.
Give your guest Wi-Fi network a name and password, and then click Next.
Click «Next» when the following screen appears.
On this screen, you can allow access to certain devices on your primary Wi-Fi network on your Guest Wi-Fi network. So if you have a NAS, you can select it from this list so guests can access it if they want. Once you’ve selected your devices, click «Create» at the bottom, or click «Skip» if you don’t want to.