@dralimalwan Hi, TP-Link's Deco line of products was specifically designed to be setup via App only. https://www.tp-link.com/en/support/faq/2464/

@bUrNaDdIcT Ok. If the "owner" has full access to the main router, then of course he would be able to control your Internet connection as he pleases. What type of router is this main router? I mean,...

@RetroHacker Hi, I think the only thing you can try in this case is to factory-reset the VR400 and hope that this restores the Advanced menu. This can be done via a physical button on the router as...

@bUrNaDdIcT Hi, Can you please share a bit more details about how the whole network is set up? I understand the ISP's broadband Internet connection is on the premises of the owner. So, is this "main...

@Mugetsu Ok. The router does not recognize that the TV has been plugged into LAN port 1. You should test LAN port 1 to 4 also with the PC. If the AX6000 recognizes neither the TV nor the PC on LAN...

@Mugetsu Ok. What do you see if you click on "Archer AX6000" instead of Clientela. Can you see a screen like this somewhere?