@Nadav0Azulay Beside the small streamer and tv are there any other devices hooked to that switch? If so are they having the same connection drops as the tv?

@Nadav0Azulay Ok the two switches are they managed or unmanaged?

@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?