@Yousef17 Hi, thanks for posting question here. May I confirm some information to understand your situation better? 1. What is your exact network topology? As your mentioned Archer and Deco devices...

@Dmarks107 Hi, thanks for posting question here. If there is no wired device connected to the LAN2 or LAN3 ports on the router, I am afraid the router got defective. You may also take factory reset...

@Kahfi Hi, thanks for posting question here. As you have started a thread, we may discuss in that thread directly~

@Kahfi Hi, I saw your same questions in another thread. According to the LED on your router, it seems the router got into brick. Even factory reset, the WiFi LED and power LED are off and only...

@Foxy94 Hi, thanks for posting question here. May I confirm why you need to do firmware upgrade? It seems that the firmware version showing on your web UI has been the latest. Did the router detect...

@Deepsrv Hi, thanks for posting question here. Here are some suggestions for your reference: 1. Check whether your other wireless devices connect to the router and access internet. 2. Please connect...