If you are using a router locked to a specific carrier (e.g., Three UK), the firmware might enforce default DNS settings. In this case, consider setting the custom DNS directly on your connected devices (computer/phone) rather than the router.
To configure custom DNS on your , you must access the web-based management interface. This allow you to bypass ISP-default servers for faster browsing, better privacy, or parental controls. 🛠️ Direct Access Guide DNS Settings on ZTE MC888 Pro 5G
Ensure your device isn't accidentally connected to a mobile data network or a different Wi-Fi network. If you changed the router's default gateway IP in the past, you must use that specific IP address to log in. If you are using a router locked to a specific carrier (e
Some mobile network operators lock down certain firmware settings on custom-branded ZTE devices. If the DNS fields are locked, you may need to disconnect the router from the 5G cellular network (via the dashboard home page connect/disconnect toggle) before the system will allow you to edit network settings. This allow you to bypass ISP-default servers for
Changing DNS Settings on the ZTE MC888 Pro 5G: A Complete Guide