Hi @qq313456983,   Welcome to TPG Community!   We were able to locate your account using your community details and have run some remote test.   We weren't able to detect any fault within the copper network, but you might be correct that the issue will be in your apartment's cabling.   We'll escalate the case with our Engineering team for further investigation and an assigned Engineer will be in touch within 24 to 48 hours.   Kind regards, BasilDV ... View more