Hi @HelpFixDecoApp yes after more testing and troubleshooting, its definitely the macbook wifi module, however its specifically with TP-LINK /DECO routers. did a test outside connected to the router...

HI @David-TP thanks for the reply. i'm in Malaysia, the service provide is 'YTL boardband' (100mbps download /100mbps upload) The deco is on PPPOE mode connected to modem. (100mbps download /100mbps...

Thank for the reply @HelpFixDecoApp i think i have exhausted every known option to me... with no success :( turning off and on every function that i could, Ran the network optimization a couple of...

Hi @HelpFixDecoApp tried turning off all the settings as suggestion . with no changes. attached the screenshots for your review

thanks for the suggestion @HelpFixDecoApp i have done swapped out all the cables, no change in performance. stilll getting the slow upload speeds. at 20mbps on wifi instead of 100mbps when connected...

@HelpFixDecoApp different houses the 4x xe75 v1 is in one location with 70+ tapo iot devices connected with no issues. (ethernet backhaul) the 2x xe75 v2 is another location with under 10+ tapo iot...