To configure your device, follow these standard steps found in the official ZTE ZXHN F670L User Manual :
The ZTE F670 is a workhorse GPON ONT. It is not the fastest nor most feature-rich router (Wi-Fi 6 is absent, and the CPU can struggle with 20+ devices), but it is extremely stable for most home users with fiber up to 1 Gbps. zte f670 manual
If you just got a new fiber internet connection, chances are high that your wall-mounted optical terminal says on the sticker. This white, compact device is a GPON ONT (Optical Network Terminal) — often called an "optical modem" or "fiber router." To configure your device, follow these standard steps
Under the "Network" or "WLAN" tab, you can change your SSID (network name) and WPA2 security key. Dual-Band Management: This white, compact device is a GPON ONT