TL;DR: LG7304 Android Smart TV gets its software update server from somewhere in the Amazon cloud. The server name is not disclosed via regular DNS and most likely gets learned via some previous HTTPs connection. I have a LG7304 Android Smart TV that I want to prevent from getting updates (in the hopes it will become rootable in the future). I've been getting an annoying update message for weeks now (even though automatic updates are disabled in the menu), so I tried to suppress it via DNS. I set up port mirroring for the TV's ethernet port and captured boot traffic for analysis. It seems the TV communicates with several hosts located in Amazon AWS cloud, but without making DNS requests that return those IPs. So, it must either have them hardcoded in its firmware or must be getting them through an encrypted channel. You can get a list of IP addresses that your TV communicates with by using Wireshark -> Statistics -> Conversations -> IPv4. You can use whois (whoi