Download Now Set the Default Gateway to 192.168.1.1 (or your device's specific default gateway local IP). Step 3: Access the Administrative Management Interface Open an incognito window in your web browser. Type 192.168.1.1 into the address bar and hit Enter.
Clear your browser cache or try an Incognito/Private window.
The F671Y supports both local manual updates and remote upgrades via HTTP. Download - ZTE
If you have a specific firmware file (e.g., from a local support site or for unblocking features), you can upload it manually. product - ZTE Support
Document version: 1.0 Applicable to: ZTE F671Y (all hardware revisions unless noted) Last reviewed: 2025
Updating the firmware on a (a dual-band XPON ONT/Router) is a critical maintenance task for ensuring network security, stability, and compatibility with modern fiber optic standards. While these devices are typically managed remotely by Internet Service Providers (ISPs) via the TR-069 protocol , advanced users or those using "portable" (unlocked) versions may need to perform manual updates. Core Update Process
Open a web browser and enter the default gateway IP address (commonly 192.168.1.1 192.168.0.1
: Use a physical Ethernet cable to connect your PC to the ZTE F671Y. Never update over Wi-Fi, as a signal drop can "brick" the device.