@Tony what's interesting is that the M9s were actually showing connected clients and related up/down stats at one point prior to that firmware update I even had a refurbed set i purchased for my...

@Tony Not sure what you mean by "do not have it"; I am on the same firmware as what was mentioned in the OP for my M9s. Deco is showing as currently up-to-date, have you gotten any more insight as to...

@Tony having same issue on new set of m9 plus with inability to see connected device information. rebooted + reinstalled app and still no change