switched the decos but it still didnt take the ethernet backhaul.

Should i remove the deco from app and again add the deco or directly unplug and switch the decos?

@TP-Link - It is connected directly to the deco without the switch... earlier my 2 router setup is also connected via the same wire itself.. connected pattern ISP to main deco. main deco to 2nd deco...

I used to have 2 router setup and have upgraded to deco m4 3 pack. main deco is on the first floor and the second deco directly on the below floor connected via ethernet cable and 3rd deco in the...