@Ex14 I did not quite get the current network diagram you mentioned, what does COM mean? And what is the operation mode of the Deco? Could you please explain it one more time? Back to your case, what...

@ERE So the current issue is that the RE650 can connect to the 5GHz of main router but it will lose connection, right? What is the led status of RE650 after you finished the configuration? Does 5GHz...

@Rhino You are welcome. Glad to help.

@Rhino Thanks for your reply, while that is strange, could you please shot a short video of this issue and then we can do further analysis in case that some other customers cannot find their posts?...

@Haziq That is the power button. From left to right, it is power led, DSL led, internet led and 2 wifi leds.

@Kangoor I saw that picture earlier, but it is different from the normal TP-Link login page. Have you ever flashed the 3rd party firmware? Like OpenWRT, or DD-WRT? Good day.