: Look for a Setup or DNS section. On some versions, this is located under Advanced Settings > Router or LAN Settings . Enter Primary and Secondary DNS : Find the Static DNS and Static DNS 2 fields.
Out of the box, the ZTE MC888 Pro operates on a principle of simplicity. By default, the router is configured to obtain DNS servers automatically from its mobile network operator (MNO)—such as T-Mobile, Three, or Vodafone, depending on the region and SIM card used. These carrier-grade DNS servers are geographically optimized for low latency and integration with the provider’s network infrastructure. DNS Settings on ZTE MC888 Pro 5G
If no update is available and you have a carrier-branded router (e.g., from T-Mobile, Three, or Optus), the carrier controls firmware. You may need to contact them or use the per-device workaround. : Look for a Setup or DNS section
You are editing the wrong connection profile (e.g., the TR069 management profile). Fix: Make sure you are editing the profile linked to your internet data connection, often named Internet_R , WAN_5G , or IPv4 Internet . TR069 is for ISP remote management – leave it alone. Out of the box, the ZTE MC888 Pro