Bt requires a few days for the line to settle. Sorry to drag up an old thread but it should be ok now am i right? Edit: skipped to the end without reading replies
A couple of things that helped me were physical things. i plugged my console directly into the wall socket, i plugged my controller into the console. And i also disable the geofilter when i got a lobby i liked (show hosts and enable unticked)
Are you accessing it from the same device? Are you taking the power out of the Netduma instead of resetting from the miscellaneous section? do you have cloud settings ticked and leaving it on long enough to update?