If you cannot access the official portal due to permission restrictions, reputable networking forums often host mirrors of version V100R001C00 or newer. 🚀 Note: Always scan .exe files for viruses before running them. How to Use the Multicast Upgrade Tool
The Multicast Upgrade Tool is a specialized Windows-based utility designed for Huawei EchoLife series ONT (Optical Network Terminal) devices and LAN port routers. Unlike traditional web-based upgrades, this tool broadcasts the firmware package across the local network, allowing any connected device in "upgrade mode" to catch the data and install it automatically. Key Features Upgrade dozens of routers at once. If you cannot access the official portal due
Verify that your PC's static IP is in the same range as the router’s default factory IP. Hold the button (if required by your model)
Hold the button (if required by your model) and power the router back on. Unlike traditional web-based upgrades
Minimal configuration required on the router side. Where to Download the Official Tool
The primary source is the Huawei Enterprise Portal . Search for "Multicast Upgrade Tool" or "ONT Upgrade Tool."
Set your computer to a static IP (e.g., 192.168.1.100 ) with a subnet mask of 255.255.255.0 .