@Nadav0Azulay You could also see if QoS is enabled and it it is then disable it

@Nadav0Azulay try taking the Ethernet cable that goes from the small streamer and unplug it at the small streamer end then plug it into the back of the tv If the disconnections stop its the cable you...

@Nadav0Azulay Are you going deco > switch > tv? OR switch > deco > tv I would try going directly from the deco to the tv and if it improves its the switch. If it still acts up try a different port on...

@Gilligan8 Just making sure - Did you follow the steps here https://www.tp-link.com/en/support/faq/2958/ for HTTP Uboot Method? If so any error messages?

@Matt-oc When they respond to you make sure to give them the link to this post https://community.tp-link.com/en/home/forum/topic/838220

@Philindiss If you have another phone or tablet available i would install the deco app on it and sign in and try to add it to a new network and see what happens If it doesn't work get back to us