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Fiber Failure

  • September 1, 2026
  • 4 Antworten
  • 40 Aufrufe

New to O₂, I was excited to finally have fiber installed in my home, so I ordered the package that included the 5690 Pro router. My activation date was last week, and I still have no internet. I’ve contacted the English‑speaking customer service multiple times, verified every setting, confirmed my username and password, and nothing changes — the router simply will not connect.

I scheduled a service technician, but apparently they only do Zoom calls, and I have no idea if they’ll even speak English, so that should be interesting. At this point, I’m genuinely losing confidence in this whole process. The setup looks simple in the videos, but in reality I’m paying for a service that has delivered nothing but delays, confusion, and a headache.

4 Antworten

Forum|alt.badge.img+10
  • Legende
  • September 1, 2026

Who is the infrastructure operator?

Did you register the ONT (which is built in the router) with your internet service provider?

What do the logs say?


  • Autor
  • Besucher:in
  • September 1, 2026

The company that installed the fiber, Liteyca, ran the line into their provided ONT (the small white box) mounted on my wall. I was told the ONT ID should be printed on the outside, but there’s no label anywhere. I’ve reached out to Liteyca and asked them to provide the ONT ID for my installation. The router itself came from O2.  At this point, I’m not sure where to find the system logs so I can continue troubleshooting, and any guidance you can share would be really appreciated.


Forum|alt.badge.img+10
  • Legende
  • September 1, 2026

Did you try to just use the provided ONT instead of the one integrated in the router?

At this point, I’m not sure where to find the system logs so I can continue troubleshooting, and any guidance you can share would be really appreciated.

I am not familiar with routers from FRITZ!, so I will not be able to guide you there. Maybe there is something about it in the user manual.


o2_Gerrit
  • Moderator
  • September 2, 2026

Hello ​@J-Deer,

welcome to our o2 Community 🙂

That is not so nice when your connection is not running yet.

Could you already try the password for the ONT which our technical department sent via SMS to your contact number?

Best Regards,

Gerrit