@Marc1978 @SNANIA Hello all, We actually have released new beta firmware for the Deco devices in September, you may update your Deco M4 firmware and you can change the wireless security type on the...

@yali Hi, Yes, you can upgrade to the beta firmware for Deco E4.

@Vinceke Hello, may I know the model number of your Deco devices? Please try to restart all Deco nodes after updating the firmware successfully. If the restart doesn't help either, try to reset all...

@Alontim Hello, thanks again for your reply. Just to confirm, is the detailed network layout as below? the main M9 (Router mode)----TL-SG1008D----TL-SG1005D----2nd M9 \----3rd M9 The other 2 M9 units...

@timp78 Hi, thanks for replying. Can I also have the screenshot of the client lists which shows abnormal IP address?

@KB6 Hello, thanks for the feedback. Can I have a screenshot of the client lists after enabling the WiFi Detective and showing your "sonos play 1" as an "iphone"? Please also tell me the MAC address...