I replied to your mail.

@TP-Link_Deco Hi, I just downgraded the firmware of the main deco to the previous version 1.4.2 Build 20200408. The other 2 deco's are still with the latest firmware, but everything is working! The...

@TP-Link_Deco Hello, I think there is definately a problem with that firmware update. I have exactly the same problems with my P7 as Sema.I installed it yesterday evening going to bed. This morning 2...