: Be aware that older versions (like v3.0) had known security flaws that allowed unauthorized access, making firmware updates critical for security. If you'd like, I can help you: Find the exact IP address if the standard ones don't work.
Your HG150UB’s longevity and security depend on it. Update wisely. hg150ub firmware update work
Via web UI, SSH, or serial console:
Here is a full walkthrough on how the firmware update process works for the HG150UB. : Be aware that older versions (like v3