@David-TP Yes, the upstairs deco is connected to the main one. I did do a firmware update on the app and it was running great for a few hours. But then I started getting lag spikes again after a...

I recently have been having a lag spike problem with the XE75 Pro. It didn't happen for the first few months I owned it, it only started a few weeks ago. I even got a new modem from Spectrum today...