If you misconfigure bridge mode, you will lose internet access entirely. You must have physical access to the F689 to factory reset it (using the reset pinhole) if things go wrong.

In the world of fiber-optic internet, the Optical Network Terminal (ONT) is the gateway to the digital world. For many users, the ZTE F689 is that gateway. While this device is a reliable workhorse provided by Internet Service Providers (ISPs), power users often find its default settings limiting. If you are looking to upgrade your home network, reduce Double NAT issues, or simply take full control of your internet traffic, understanding and configuring is essential.