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.
Find the internet service (e.g., WANC 1 ). Delete it: sendcmd 1 DB delr WANC 1 Zte F689 Bridge Mode
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. Open a new tab and directly access: http://192
Open command prompt: telnet 192.168.1.1 Login: root / Zte521 Delete it: sendcmd 1 DB delr WANC 1
This method requires caution. Changing the wrong VLAN or interface can kill your VoIP phone or IPTV.