Zte MF275R User Manual page 54

Type URL address, and then click Apply to add the URL
address into the filtering list. The new URL filtering item will
be shown in the Current Webs URL Filters field.
UPnP
Universal Plug Play (UPnP) is a set of networking protocols
that allows network devices, such as PC, printers, Internet
gateways, Wi-Fi access points and mobile devices, to
seamlessly discover each other's presence on the network
and establish functional network services for data sharing,
communications, and entertainment.
Select Settings > Firewall > UPnP and the UPnP settings
page is shown in the following figure.
Check Enable and click Apply to enable the function.
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