Help! We have the 3 disc bt whole home wifi boosters. When we first installed, they worked fine for a few months. However, for the last 6 months or so they have only worked a short time before the main disc goes to either solid purple or flashing purple. I have gone through all troubleshooting steps multiple times and still cannot get them to work this time. I have done this two time successfully in the past but not this time. I have tried multiple times over the last couple weeks. I am at a loss as to what to try next. I have done factory resets on all devices, changed the main device to try all units, uninstalled all apps and wifi settings and started 'new'. Any advice wpuld be appreciated.