@David-TP Thank you for your consent, I got to know what issue I was facing, apparently the E4 supports only 100mbps of ethernet data, so I got myself a M4 which ias upto 1 gigabit of ethernet data....

I have been facing drastic decrease of my WiFi speed, I have contacted the ISP but according to them there is something wrong with my Deco. My internet speed is 100mbps, but the speed of 2.4Ghz is...