@Kevin_Z No, after the connection failed, sonoff does not appear in the DHCP router client list either. Anyway, thanks for the support. I am waiting for the support of the engineers. By the way, if I...

@Kevin_Z I apologize for the late reply, but a problem with my job prevented me from getting to the location where I have those devices. I tried what you suggested in the last answer, the only device...

@Kevin_Z Thanks for the suggestion. I'll try this tomorrow when I get to that location. As for the port it communicates with the application, I found this, but it does not refer to the model I use,...

@terziyski I reset the router to factory settings and did not change anything. The only change was the ISP username and password. Same problem. Unfortunately, I can't configure it as an AP. Thanks...

@terziyski Thanks for the information, but the problem is this way. The device goes through the pairing procedure, it is registered in the application, but they are in the case presented here:...

I have the following problem: I am trying to use this device https://sonoff.tech/product/diy-smart-switch/basicr2 with the Archer C80 router. I can make the connection with the mobile application,...