I'm having the same issue. After a few days or even weeks, all Deco P9 devices became unavailable in the app, even though the mesh network was working properly. Restarting the master device solved...

@David-TP >>Did you run into any issues with the "Smart DHCP" feature in AP mode? If Deco P9 can't find DHCP server during the boot process it activates its own DHCP server. For example if Deco P9...

Ticket id with this issue (and app logs): TKID250918643

@Denarius I think the main magic is not in the device reset but in creating a new network in the APP. If you've already done this, then probably the best thing to do is write to support

Hello I want to thank TP-Link devs for releasing Deco P9 1.3.0 firmware. After two weeks with 1.3.0 I can conclude that it is stable. PLC+Wi-FI mesh works very well and stable. My notes for two weeks...

@Denarius I had the same issue after updating to 1.3.0 recently. I've issued factory reset for all of my Deco P9 units and after that created a new network in the Deco App. Now my Deco P9 with 1.3.0...