I am having the exact same issue. and I can't leave them because I am stuck for 2 years, and they won't consider it as "no Service provided" bringing the 4th or 5th technician tomorrow.
I have the exact same situation. I had 3 techs to come and not able to fix the issue, and finally they sent a senior technician who replaced the whole wire and the modem and told me that the wire is old. then not even a month later same situation. I ...
