@macroth72 Just in case you haven't returned your X50 set yet, see check: https://community.tp-link.com/en/home/forum/topic/584954

@troyincanada Deco requires Internet access for setup and management. Deco app on smartphone does not communicate with your Deco mesh directly, but through TP-Link cloud. There is no Web page...

@Pawel1986 Start with this document: General questions about Ethernet Backhaul feature on your Deco If you have follow up questions after you read it, feel free to ask.

@csotelo From your tests it does appear you have two defective Deco M5 units. If you can, return them or send for replacement under the warranty. Forcing factory reset will not fix defective...

@troyincanada How many Deco X20 do you have, and also do you have cable modem or cable gateway? If you can give me your cable modem/gateway brand name and model number, I can figure what it is.

@csotelo It is unlikely but possible that you've got two defective units. Here are steps to check if your Deco M5 work correctly. 1. Verify Ethernet backhaul. You said you connected all Deco with...