@Alexandre. Thanks for reply. Yes I had seen that message before on App while speeds are down. Hadn't thought of that cable as it was brand new not long ago. Will try that replacing and see how it...

Currently have 250/25Mpbs fibre connection on FTTP NBN here in Australia . Last couple of months, every week or so speed would drop to 90/25Mpbs. This is tested via wifi and also laptop connected to...