Whenever I switch the wi-fi on, on my Samsung Galaxy A8, the initial speed always seems to be 72Mbps. I then turn it off then back on and the connected speed then hits the hundreds. This happen when I

Router is AX55 connected with powerline wifi adapters TL-WPA8631P. Using my mobile phone to connect to the mesh network, initially I can get high network speeds but if I roam to a different adapter, m