Go to Advanced Configuration > Management & Diagnostics > Software Upgrade .
Huawei removed public consumer firmware. However, if you have a commercial contract or know someone with Huawei partner access: huawei echolife hg8546m firmware download link
Finding a direct download link for the firmware can be challenging because it is an enterprise-grade Optical Network Terminal (ONT). Huawei typically restricts these downloads to verified accounts with specific permissions. Official Huawei Support Channels Go to Advanced Configuration > Management & Diagnostics
If you absolutely must search for a file, append your hardware version and ISP to the keyword. Example: "HG8546M V300R016 Vodafone firmware download" – this yields better, more specific results than the generic keyword. The Huawei EchoLife HG8546M is an ISP-managed device
The Huawei EchoLife HG8546M is an ISP-managed device. There is no single official "download link" available to the public.
Most users prefer using the AI Life App to check for automatic updates or logging into the router's web management page (usually at 192.168.100.1 or 192.168.1.1 ) to perform a "One-click update".
Before downloading anything, you must look at the sticker on the bottom or side of your device.