, you generally need to coordinate with your or use the official Huawei Enterprise Support Portal . Because Optical Network Terminals (ONTs) like the

The displayed in the router settings.

The Huawei HG8145V5 is a robust workhorse, but it is a "managed device." Treating it like a consumer router that you can freely flash custom firmware onto is a recipe for disaster. If you brick this device, your ISP will likely charge you a replacement fee. Proceed with extreme caution.

Software & Firmware Download of Enterprise Products - Huawei

Here's a general guide for flashing firmware using the web interface.

If you own a retail version of the Huawei HG8145V5, you can use the 1.2.5 : Connect your phone to the router’s Wi-Fi. Open the AI Life App. Go to Devices > Updates . If a new version is available, click Update . Troubleshooting and Tips

I can give you tailored steps or troubleshoot any error codes you encounter. Share public link

Incorrect firmware installation can brick your device. This guide is for advanced users. If your ONT is provided by an ISP (e.g., Telmex, Vodafone, Movistar), contact them first—they control the firmware.

Following the exact steps provided by the hardware manufacturer or the network service provider is the most reliable way to complete a specific network setup. Share public link

Log into the router’s web interface:

Finding firmware for ISP-provided routers can be tricky, as manufacturers often provide updates directly to service providers rather than the general public.

Software & Firmware Download of Enterprise Products - Huawei