Seems like installing the x50 decos have stabilized things. Still not sure what went wrong on the m4's. But I haven't experienced any drop out of internet, yet*.

@David-TP okay sadly, I still dropped connection from the router with 162 installed, it's somehow the ps5 pro causing this, I have no idea what else could do it. im going to install the x50 decos...

@David-TP Its going to take some further testing, but I have successfully rolled back to firmware 162. So far, all problems have vanished. I feel confident to say, there is a problem with 165, the...

@David-TP to reply after further investigation. Ive ruled out cable issues, I've further installed a third m4R unit (I forgot I still had it) never used, updated this to latest firmware, same...

@David-TP As far as I know, 165 cannot be rolled back once installed, at least that's the warning it gave before I installed it at the time. This is different if someone uses lets say a laptop or...

@Dutchbear80 all internet connection is lost, that's correct, ziggo confirms the router can no longer be accessed by them when this happens. The deco units themselves remain working normally, except...