@Matt-G Hi, Refer to the below FAQ to do the basic troubleshooting: https://www.tp-link.com/support/faq/2301/ May it help.

@Nateliini Hi, actually, your current firmware is newer than the one you downloaded from the official website, we will soon check and update the firmware on the website. Please try to connect the two...

@Travs Hi, thanks for getting back. Actually, the Deco M5 does support IGMP snooping and it is enabled by default. What I assume is that you may need to configure the IPTV settings on the Deco? BTW,...

@JoeHiggins Hi, am I misunderstanding your previous post? I thought this issue was fixed by reboot the main Deco P9. If the remote P9 doesn't broadcast 2.4GHz signal after a reset and...

@Jordans Hi, thanks for getting back. Sorry that I cannot open the pics you attached, can you send it again? Do you mean all the satellite Decos will show disconnected on the Deco app, while the LEDs...

@Harry_Sohal Hi Harry, thanks a lot again for all the detailed info. As per your description, can I say some video applications cannot load successfully but normal web browsing should be ok, right?...