@Ceres The login username and password are both admin by default. You can give it a go first. Still the same, you can hard reset it and relogin and configure. May it help.

@Budo35 Try to access the web UI with another web browser/device; for the Tether app, you can delete it and reinstall it. Any updates, please let us know. Good day.

@help4u I see, thanks for your reply. I have forwarded to our RD team, and they will work on it and try to fix it; You can keep an eye on official website and wait for the updates. Thanks for your...

@Daniel1234 Like mentioned in the release note, this FW has added some new features and fixed bug, it cannot be downgraded to former release once upgraded to this one. Back to your case, we can do...

@Robbyw What is the current network diagram? How do you connect these devices together? With the Deco M9 plus works in regular router mode, what is the internet IP address of it? Is it a public...

@stathisp The TD-W8960N is a single band router, which supports 2.4GHz only. So I'm afraid that the 5GHz you saw belongs to others. May it help.