@David-TP Thanks for your resposne. I have 2.4 & 5 GHz enabled. The devices are the following(see it on all ofthem when the problem happens): 1) Macbook pro. (connects as 5GHz) 2) Iphone 15....

I have a Deco X60 3-device mesh ( i am NOT sure about the HW version as i see No montion of HW version on the deco.) The First(main) Deco device is connected to the main internet provider by wire....