Zte F689 Bridge Mode -

Note: If you do not see "Bridge" in the dropdown, your ISP has locked the firmware. Proceed to Method 2. Many ISPs disable the Bridge Mode dropdown via CSS or frontend logic but leave the backend functional. Advanced users have discovered a backdoor via the Universal Plug and Play (UPnP) page.

Date: October 2023 Target Device: ZTE F689 (GPON/EPON ONT/ONU) Difficulty Level: Moderate Introduction: Why Bridge Mode? The ZTE F689 is a common Optical Network Terminal (ONT) deployed by Internet Service Providers (ISPs) worldwide, including Claro, Telmex, Tigo, and various Asian carriers. By default, this device acts as a "combo box"—a modem, router, switch, and Wi-Fi access point all in one. Zte F689 Bridge Mode

Create a new Bridge connection: sendcmd 1 DB set WANC 1 VLANID [Your_VLAN_ID] sendcmd 1 DB set WANC 1 ConnectType 2 (2 = Bridge, 1 = Route) sendcmd 1 DB set WANC 1 Enable 1 sendcmd 1 DB save reboot Note: If you do not see "Bridge" in

Open a new tab and directly access: http://192.168.1.1/cgi-bin/telnetenable.cgi – This may enable Telnet. Alternatively, navigate to Application > UPnP and inspect the page source or look for hidden WAN interface options. Advanced users have discovered a backdoor via the

List current WAN connections: sendcmd 1 DB p WANC

For power users, gamers, and small business owners, this "all-in-one" functionality is a bottleneck. Double NAT (Network Address Translation), limited QoS settings, and weak Wi-Fi coverage often plague the stock firmware. This is where becomes essential.