@NYQUISTS_ANGRY_ Well if its any consolation I won't be buying any more TP-LInk products in future, I should've stuck with/expanded my previous Ubiquity setup instead. Only goes to show that the old...

@celtiberian Unfortunately I have had a similar issue here with my S4's, when I bought them back in Feb 2021 I was getting pretty good Wifi throughput and rock solid service, now a couple of years on...