@pdamasco Just adding a +1 here; I'm seeing a similar issue that I believe is probably from the same root cause. I cannot get Sonos speakers to reliably be seen by the Sonos app with Smart Connect on...

@Amit2777 Having a similar issue w/ Smart Connect (for me, it's Sonos speakers that only work on 2.4ghz). Hope TP-Link can issue a firmware update addressing this. TLDR, my speakers drop off of the...

@user_jw21 @Tony having the same issue - whenever SmartConnect is enabled, one or more of my speakers drop off the Sonos system and/or I can't get the app to find the entire system at all...