You can turn the network on or off through the Network switch in PlugOS Settings.

How to use:

1. Enter the device desktop via the PlugOS APP home page, find "PlugOS Settings" → "Advanced assistance" → "Network"
2. Click the "Network" switch to turn the network off or on
3. After the network is turned off, all applications cannot access the network

4. Click "DNS" to configure DNS settings. (Default is "System Default")
5. Click "Proxy" to configure proxy settings. (Default is "None")