The ZTE ZXHN F670L is an Optical Network Terminal (ONT) equipped with four Gigabit Ethernet ports, two FXS voice ports, and concurrent dual-band Wi-Fi (2.4GHz and 5GHz).
A PC connected directly to the ZTE F670L via an Ethernet cable (never flash firmware over Wi-Fi). zte zxhn f670l epon firmware
The latest firmware builds (post-2024) are migrating away from manual web upgrades entirely. They use (ONT Management and Control Interface) pushed by the OLT (Optical Line Terminal) in the ISP’s central office. The ZTE ZXHN F670L is an Optical Network
: Speeds up to 1.2 Gbps (300 Mbps on 2.4 GHz + 866 Mbps on 5 GHz). Physical Ports two FXS voice ports