TP-Link routers have a design flaw not present in other manufacturers' devices: firmware updates wipe your settings. As such, you'll want to make a backup first. Do so by clicking the Advanced tab at the top of the screen, then System Tools, and Backup & Restore. When that's done, ...
TP-Link Deco:Supported foreverything except setup. Ubiquiti AmpliFi HD:The base units are all capable of Ethernet backhaul, but the kits come with the mesh points that plug into the wall, and these do not have Ethernet jacks on them. ...