@dizzy_one Thanks for your reply. Cause they have been updated to the latest firmware, you can keep an eye on it when the next firmware released. Meanwhile, we can use the web UI to update the...

@Ek9max The 5GHz-2 is used for backhaul only; it won't serve clients; while there is another 5GHz available for your devices. May it help and have a nice day.

Please make sure that they are located under the same network. With the main adapter connected to the main router, please unplug the client devices from other units and verify whether you can see...

@Tpmarco Hi Marco, we will do some troubleshooting first and try to fix it. What is the light status of the powerline adapter when the connection drops out? At that time, please click here to check...

@evertech What is the error message? Meanwhile, could you please provide a screenshot of the status page of MR400 when it lost connection to do further analysis? You can change another sim card or...

@Raymondgomes What are their model number? What is the led status of them when they lost connection? Is there any error message on the KASA app at that time? Do you mean power cycle/reboot the main...