and HG9 V1/V2 series devices. Applying it to unsupported hardware will result in a hard brick.

Are you upgrading to fix a or to add new features ?

or disconnect the Ethernet cable during the update.

Keeping your ONT (Optical Network Terminal) firmware up to date ensures better connection stability, introduces critical security patches, and unlocks new software features. Specification Release Date February 13, 2025 File Size File Format .zip archive (extracts to .bin or .trx Compatible Models Step-by-Step Installation Guide

Direct Tenda HG9 Firmware Download Link To download the latest official firmware for your Tenda HG9 AC1200 Dualband Wi-Fi GPON ONT

using an . Do not perform firmware updates over Wi-Fi.

Follow these sequential steps to safely update your Tenda HG9 firmware locally using a computer: 1. Download and Prepare the Firmware File

Log back into the admin page and verify that the system version matches version . Critical Best Practices and Precautions

The device will automatically reboot upon successful completion.