@JessicaRLee For setup a Fritzbox for o2 VDSL please read here.
https://hilfe.o2online.de/english-o2-community-broadband-dsl-70/configuring-a-fritz-box-for-o2-dsl-and-change-the-system-language-to-english-spanish-etc-539660
Now you Dsl username and password problem. Did you get ever an email from o2, after order the dsl line? And how did you order? Shop, o2 Online or Reseller? Did you ever get an email the subject „Willkommen bei o2“? There are your dsl username and password.
Thank you! I finally located where exactly it was. I appreciate your help!
Hello @JessicaRLee and welcome to our o2 community :-)
I am glad to see that your question could already be answered by @Joe Doe :-)
If there are any questions left, don’t hesitate to ask, we will answer as soon as possible :-)
Regards,
Lars