There are two primary methods:
Open a browser window, navigate back to your router gateway page, and log in with your admin account. Zte F670 Firmware Update
The ZTE F670 is a dual-band GPON Optical Network Terminal (ONT) used widely by internet service providers (ISPs) globally. It delivers high-speed fiber internet, dual-band Wi-Fi (2.4 GHz and 5 GHz), and robust voice services. There are two primary methods: Open a browser