This guide reviews and explains how to update the firmware/software on a ZTE F680 GPON router, covering preparation, methods (web GUI and TFTP), step-by-step installation, and troubleshooting.
Before you begin the update process:
If found, follow the prompts to install and wait for the router to reboot automatically. 3. Method B: Manual (Offline) Firmware Install update software in zte f680 install