@Alexandre. i did step 1 and step 2 then how do i change/remove the selection of main deco in the apps?

@Alexandre. I tried slot 4 originally and also slot 3 and 2 all works fine. the internet speed test come with same result

@Alexandre. it is standart from the isp i checked the back of the modem huawei echolife EG8145V5 GPON Terminal

@Alexandre. its deco E4 All the deco connected through switch router gigabyte and also the isp modem connected to the main deco im wondering should i connect the isp modem to main deco or to the...

im thinking of upgrading my main deco M5 to x series There are couple option x10/20/50, is there any recomendation regarding this? I connect all my deco through ethernet with switch tp link 16 port...