Once you obtain the firmware file (usually a .bin or .trx ):
John decided to give it a try and downloaded the firmware update from the provided link: https://www.tendacn.com/download/firmware/HG9_V1.0.1_20200727.zip . He carefully followed the instructions to update the firmware, and to his surprise, the router's performance improved dramatically. tenda hg9 firmware link
For legacy versions, Tenda sometimes uses an FTP server. However, use with caution: Once you obtain the firmware file (usually a
For additional documentation, the HG9 User Guide (2026-04-20) is also available. If you'd like, I can: and to his surprise
Because Tenda sometimes removes older models from the main download page, you may need to contact Tenda support directly via their online form or email, requesting the exact firmware for your hardware version.