Zte F689 Bridge Mode May 2026
This method requires caution. Changing the wrong VLAN or interface can kill your VoIP phone or IPTV.
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.
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
// Example for ZTE F689 specific API (Use at your own risk) // This forces the interface "INTERNET_R" to bridge. fetch('http://192.168.1.1/goform/modifyWan', { method: 'POST', headers: {'Content-Type': 'application/x-www-form-urlencoded'}, body: 'wanId=1&connType=BRIDGE&vlanId=XXX' // Replace XXX with your ISP VLAN }); Method 3: Factory Reset & Super Admin (Full Control) When the GUI fails, we drop to the command line.
List current WAN connections: sendcmd 1 DB p WANC This method requires caution
Press the reset button (pinhole) on the back for 30 seconds. This restores universal default credentials: admin / admin or root / Zte521 .
Open command prompt: telnet 192.168.1.1 Login: root / Zte521 Alternatively, navigate to Application > UPnP and inspect
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