@kostaK Hello, what is the error message on the APP? At that time, please verify which Deco the client has connected to and get the IP address of that Deco on the Deco app; Then try to ping the IP of...

@RyanEverhart789 Hello Ryan, below is the compatibility list of Deco M9 plus. https://www.tp-link.com/Deco-M9-Plus/compatibility/ While as you can see, the MS100 is not there, so I'm afraid that...

@Drongo While that is a little weird, usually the LED light will turn to green once we changed the DNS. You can try to change the current Deco to wireless router mode and then verify whether the LED...

@pkz78 I'm afraid that there is some misunderstanding due to my description. For the first picture, we take a router which country code is CN to do the test on our MBP, which country code is CN too;...

@avinet Hi Mike, thanks for your reply. After got the replacement, please take your time to verify whether it works well. Good day.

@Nick2019 Great to know that. So you can enjoy the internet with the Deco units and can access the local devices. If need more help, please let us know. Best regards.