@Nasman1 Hi, After reset, are you able to see this Deco E4 turns blinking blue? Have you tried to connect this unit via Ethernet cable to add it to the APP? There are more suggestions on this link...

@Nick_E Hi, you could have a look at this link to reboot the Deco: [Solution] Only the Advanced and Manager features show up on the Deco app if reboot did not help, please send us the APP log via...

@Mata1972 Hi, welcome to the community. Could you please help me check the following information: 1. Did you have the same issue next to the main Deco? 2. For the 24 devices, how many 2.4ghz devices...

@cmonbux Thank you very much for getting back to me. I would love to forward your case to the senior engineers for further assistance and please have a check of your email. At the same time, have you...

@kjrst9 Hi, I see there are Deco M9 Plus as well as Deco M5 under your TP-Link ID. The Deco which is always connected to the farthest Deco, is Deco M5 or Deco M9 plus? If it is Deco M5, you could try...

@Nonameuser Hi, welcome to the TP-Link community. Thank you for the message. The 1.6.0 beta firmware for Deco M5 could not be used on the M4. And there is also no beta firmware for M4 yet. Could you...