In the router web interface, go to > System Management > Configuration File .
Because ISPs heavily customize ONT firmware to match their specific fiber networks (e.g., custom VLAN tags, VoIP configurations, and remote management tools), . Contact your ISP’s technical support line.
Most users receive the HG8145V5 directly from their fiber provider (e.g., Airtel, Jio, Telekom, Claro). ISPs use customized firmware variants to match their network architecture. Contact your ISP’s technical support desk.
If you have a business account, you can try the Huawei Enterprise Support Portal . You must log in with an account that has "Product Support" permissions to see download links. Huawei Hg8145v5 Firmware Download
If your ISP cannot help and Huawei's site yields no results, you might find firmware on technical forums like China's Chinadsl.net. For example, a user on Chinadsl.net shared a firmware package labeled HUAWEI HG8145V5 V500R020C00SPC270B520 . The poster in this example listed a long string of hardware identifiers, including 151D , 15AD , 187D , 191F , 18AD , and `26AD**, which are codes for the specific ONT hardware that the firmware supports.
Upgrading firmware can sometimes reset your device to factory defaults, erasing your PPPoE credentials and Wi-Fi passwords.
Ensure your computer and ONT are connected to a reliable power source. Power loss during an update will brick the device. Installation Steps In the router web interface, go to >
Your ISP owns and manages the connection profile on your ONT. In most cases, ISPs push firmware updates automatically over the fiber line (via TR-069 management protocols). If your device is running outdated software, call your ISP's technical support line and request a remote firmware upgrade. Method 2: Huawei Enterprise Support Portal
If the web interface is dead but the power light is on:
What is the current listed on the sticker at the bottom of the device? Huawei EchoLife HG8145V5 Support Guide, Manuals & PDF Most users receive the HG8145V5 directly from their
If you are performing a manual update, ensure you follow these safety steps: How do I update the firmware version of my HUAWEI router
Log in with your validated customer or partner account. Standard guest accounts typically lack download permissions for carrier firmware. Search for . Navigate to the Software Download tab.
This is the most critical section of this article. Please read it carefully.
: For some Huawei routers, updates can be performed directly through the HUAWEI AI Life App , which automatically detects available official updates. Version & Community Updates
The ONT will restart automatically. Log back into the web interface and check the Device Information page to confirm the firmware version has updated successfully. Troubleshooting Common Upgrade Issues