HI I bought an Archer AX3000 to use as a Main Router and then a set x3 Deco X75 to use as Mesh devices to extend the signal. When trying to set up the first Deco the only way it want to be set-up is a

It's been months now that my deco could not connect and finish setup. It was working fine until one day the LED turned red. I tried everything, rebooting, resetting, I called the tplink customer care