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.
Press the reset button (pinhole) on the back for 30 seconds. This restores universal default credentials: admin / admin or root / Zte521 . 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
// 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. Advanced users have discovered a backdoor via the
Open command prompt: telnet 192.168.1.1 Login: root / Zte521
