@Tony That sounds possible, but unlikely as I know everything connected to my network. I will monitor it when it happens next time. Meanwhile, I found another strange issue: while all Wifi device...

Using M4 in router mode. Main unit and slave units are pretty close. 100 Mbps upload and 100 Mbps download from ISP. Usually, I got 100 Mbps Wifi everywhere. This is what I expected for this set of...

When I try to update Deco M4R firmware from the iOS app, it says "Your Deco ... is currently up-to-date". Its current firmware version is 1.0.6 Build 20181203 Rel. 33849. Looks like there is a newer...